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Lewmar 30mm Synchro Control Blocks

Lewmar 30mm Synchro Control Blocks

The Synchro Control range is designed for hand held and cleated loads (ie. no winches). Using MRT (Metal Replacment Technology) combined with stainless steel central race and balls makes these blocks efficient and lightweight.

Part No. Description SWL Breaking Load Max Line Weight Length
kg lbs kg lbs mm in g oz mm in
LW29901321 Single 200 440 480 1056 8 5/16 28 1 68 2-43/64
LW29901322 Double 300 660 600 1320 8 5/16 47 1.65 68 2-43/64
LW29901323 Triple 500 1100 1000 2200 8 5/16 85 3 76 3
LW29901324 Single/becket 200 440 480 1056 8 5/16 33 1.16 81 3-3/16
LW29901325 Double/becket 300 660 600 1320 8 5/16 50 1.76 81 3-3/16
LW29901326 Triple/becket 500 1100 1000 2200 8 5/16 90 3.17 90 3-35/64
LW29901328 Triple/cleat 250 550 1000 2200 8 5/16 135 4.76 76 3
LW29901330 Triple/becket/cleat 300 660 600 1320 8 5/16 140 5 90 3-35/64
LW29901320 Single Stand-up 200 440 480 1056 8 5/16 30 1 58 2-9/32
LW29901341 Fixed head 200 440 480 1056 8 5/16 26 0.92 54 2-1/8
LW29901314 Fixed head/becket 200 440 480 1056 8 5/16 31 1.09 68 2-43/64
LW29901361 Thru-deck Single 200 440 480 1056 8 5/16 26 0.92 76 3
LW29901362 Thru-deck Tandem 200 440 480 1056 8 5/16 45 1.59 99 3.5
LW29901363 Vertical lead block 200 440 480 1056 8 5/16 48 1.69 45 1.5
LW29901365 Pivoting exit block 200 440 480 1056 8 5/16 80 2.82 68 2-43/64
LW29901360 Cheekblock 200 440 480 1056 8 5/16 18.5 0.65 60 2


LW29901314 30mm Synchro Control Single, Becket Price: $15.47 LW29901320 30mm Synchro Control Single, Stand Up Price: $17.34
LW29901321 30mm Synchro Control Single Price: $20.06 LW29901322 30mm Synchro Control Double Price: $34.60
LW29901323 30mm Synchro Control Triple Price: $51.94 LW29901324 30mm Synchro Control Single, Becket Price: $22.78
LW29901325 30mm Synchro Control Double, Becket Price: $36.47 LW29901326 30mm Synchro Control Triple, Becket Price: $54.66
LW29901328 30mm Synchro Control Triple Cam Cleat Price: $85.60 LW29901330 30mm Synchro Control Triple, Becket, Cam Cleat Price: $86.53
LW29901341 30mm Synchro Control Single, Loop Top Price: $14.54 LW29901360 30mm Synchro Control Cheek Block Price: $13.69
LW29901361 30mm Synchro Control Thru-Deck, Single Price: $20.06 LW29901362 30mm Synchro Control Thru-Deck, Tandem Price: $26.44
LW29901363 30mm Synchro Control Vertical Lead Block Price: $20.06 LW29901365 30mm Synchro Control Pivoiting Exit Block Price: $67.41


Lewmar 40mm Synchro Control Blocks

Lewmar 40mm Synchro Control Blocks

The Synchro Control range is designed for hand held and cleated loads (ie. no winches). Using MRT (Metal Replacment Technology) combined with stainless steel central race and balls makes these blocks efficient and lightweight.

Part No. Description SWL Breaking Load Max Line Weight Length
kg lbs kg lbs mm in g oz mm in
LW29901447 Single Web 240 528 800 1760 10 3/8 39.5 1.39 57 2-15/64
LW29901420 Single Stand-up 240 528 800 1760 10 3/8 54 1.9 74 2-29/64
LW29901441 Single Fixed Strap 240 528 800 1760 10 3/8 44 1.55 70 2-3/4
LW29901421 Single 240 528 800 1760 10 3/8 52 1.83 80 3-9/64
LW29901424 Single/becket 240 528 800 1760 10 3/8 56.5 1.99 98 3-55/64
LW29901428 Single/becket/cam 240 528 800 1760 10 3/8 56.5 1.99 98 3-55/64
LW29901425 Double/becket 480 1056 1200 2640 10 3/8 116.5 4.11 111 4-23/64
LW29901422 Double 480 1056 1200 2640 10 3/8 112.5 3.97 95 3-47/64
LW29901423 Triple 720 1584 1800 3960 10 3/8 187.5 6.61 102 4-1/64
LW29901426 Triple/becket 720 1584 1800 3960 10 3/8 192.5 6.79 119 4-43/64
LW29901429 Triple/cam 720 1584 1800 3960 10 3/8 247.5 8.73 102 4-1/64
LW29901430 Triple/becket/cam 720 1584 1800 3960 10 3/8 252.5 8.91 119 4-43/64
LW29901460 Cheekblock 240 528 900 1980 10 3/8 43 1.52 67 2-5/8
LW29901463 Vertical lead block 240 528 900 1980 10 3/8 70 2.4 57 2-15/64


LW29901420 40mm Synchro Control Single, Stand Up Price: $30.09 LW29901421 40mm Synchro Control Single Price: $27.29
LW29901422 40mm Synchro Control Double Price: $55.51 LW29901423 40mm Synchro Control Triple Price: $83.73
LW29901424 40mm Synchro Control Single, Becket Price: $30.94 LW29901425 40mm Synchro Control Double, Becket Price: $59.16
LW29901426 40mm Synchro Control Triple, Becket Price: $87.38 LW29901428 40mm Synchro Control Single, Becket, Cam Price: $78.29
LW29901429 40mm Synchro Control Triple, Cam Price: $119.26 LW29901430 40mm Synchro Control Triple, Becket, Cam Price: $122.91
LW29901441 40mm Synchro Control Single, Loop Top Price: $23.72 LW29901447 40mm Synchro Control Single, Web Block Price: $24.14
LW29901460 40mm Synchro Control Cheek Block Price: $23.72 LW29901463 40mm Synchro Control Single, Vertical Lead Block Price: $29.16


Lewmar 40/60mm 10:1 Synchro Control System

Lewmar 40/60mm 10:1 Synchro Control System

The Synchro Control range is designed for hand held and cleated loads (ie. no winches). Using MRT (Metal Replacment Technology) combined with stainless steel central race and balls makes these blocks efficient and lightweight. They handle line up to 3/8" (10 mm). Developed in France for the Open 18 Catamaran fleet.

Part No. Description SWL Breaking Load Max Line Weight Length
kg lbs kg lbs mm in g oz mm in
LW29901448 40mm 10:1 top block 200 440 480 1056 10 3/8 70 2.47 124 4-7/8
LW29901449 40/60mm 10:1 base block 600 1320 1200 2640 10 3/8 450 15.9 156 6-1/4


LW29901448 40mm 10:1 Top Block Price: $192.10 LW29901449 40/60mm 10:1 Base Block Price: $308.13


Lewmar 50mm Synchro Blocks

Lewmar 50mm Synchro Blocks

The Synchro range is for hand held or winched lines, and features a self-lubricating, Free-Spin bearing and swivel lock self aligning head. Cams are adjustable on those that have them.

All except the LW29925021 Toggle Head fit the LW29925040 Synchro Snap Shackle.

Part No. Description Sheave Dia SWL Optimum Line Size Max Line Weight
mm kg lbs mm in mm in g oz
LW29925001 Single 50 450 990 6 1/4 10 3/8 67 2.36
LW29925004 Single/becket 50 450 990 6 1/4 10 3/8 142 5.01
LW29925009 Single/becket/cam 50 450 990 6 1/4 10 3/8 226 7.96
LW29925002 Double 50 450 990 6 1/4 10 3/8 81 2.85
LW29905005 Double/becket 50 450 990 6 1/4 10 3/8 164 5.77
LW29925003 Triple 50 450 990 6 1/4 10 3/8 123 4.3
LW29905010 Triple/becket/cam 50 450 990 6 1/4 10 3/8 282 9.93
LW29925021 Toggle Head 50 450 990 6 1/4 10 3/8 73 2.57
LW29905031 Fiddle 50 450 990 6 1/4 10 3/8 94 3.31
LW29925034 Fiddle/becket 50 450 990 6 1/4 10 3/8 98 3.45
LW29925037 Fiddle/cam 50 450 990 6 1/4 10 3/8 139 4.89
LW29925039 Fiddle/becket/cam 50 450 990 6 1/4 10 3/8 145 5.1


LW29925001 50mm Synchro Single Price: $18.38 LW29925002 50mm Synchro Double Price: $38.25
LW29925003 50mm Synchro Triple Price: $55.51 LW29925004 50mm Synchro Single, Becket Price: $21.01
LW29925005 50mm Synchro Double, Becket Price: $39.39 LW29925009 50mm Synchro Single, Becket, Cam Price: $64.52
LW29925010 50mm Synchro Triple, Becket, Cam Price: $98.93 LW29925021 50mm Synchro Toggle Head Price: $18.19
LW29925031 50mm Synchro Fiddle Price: $29.77 LW29925034 50mm Synchro Fiddle, Becket Price: $29.16
LW29925037 50mm Synchro Fiddle, Cam Price: $50.78 LW29925039 50mm Synchro Fiddle, Becket, Cam Price: $55.51


Lewmar 60mm Synchro Control Blocks

Lewmar 60mm Synchro Control Blocks

The Synchro Control range is designed for hand held and cleated loads (ie. no winches). Using MRT (Metal Replacment Technology) combined with stainless steel central race and balls makes these blocks efficient and lightweight.

Part No. Description SWL Breaking Load Max Line Weight Length
kg lbs kg lbs mm in g oz mm in
LW29901651 Single 400 882 800 1764 12 1/2 108 3.7 124 4-7/8
LW29901652 Double 750 1653 1500 3306 12 1/2 220 7.2 138 5-7/16
LW29901653 Triple 1000 2204 200 4409 12 1/2 333 10.9 144 5-3/4
LW29901654 Single Becket 400 882 800 1764 12 1/2 120 4.1 147 5-25/32
LW29901655 Double Becket 750 1653 1500 3306 12 1/2 235 7.8 160 6-3/8
LW29901656 Triple Becket 1000 2204 2000 4409 12 1/2 348 11.5 166 6-17/32
LW29901659 Single/becket/cam 400 882 800 1764 12 1/2 279 9.8 147 5-25/32
LW29901660 Triple/becket/cam 1000 2204 2000 4409 12 1/2 514 17.3 166 6-17/32
LW29901677 Web Block 400 882 800 1764 12 1/2 76 2.5 90 3-1/2
LW29901661 Single/ratchet 400 882 800 1764 10 3/8 126 4.3 124 4-7/8
LW29901665 Single/ratchet/becket 400 882 800 1764 10 3/8 141 4.8 147 5-7/16
LW29901667 Single/ratchet/cam 400 882 800 1764 10 3/8 288 10.1 124 4-7/8
LW29901668 Triple/ratchet/cam 1000 2204 2000 4409 10 3/8 524 17.7 144 5-3/4
LW29901670 Triple/ratchet/becket/cam 1000 2204 2000 4409 10 3/8 538 18.2 166 6-17/32
LW29904042 Single Cam Kit - - - - 10 3/8 - - - -
LW29904043 Triple Cam Kit - - - - 10 3/8 - - - -


LW29901651 60mm Synchro Control Single Price: $44.63 LW29901652 60mm Synchro Control Double Price: $97.41
LW29901653 60mm Synchro Control Triple Price: $153.00 LW29901654 60mm Synchro Control Single, Becket Price: $53.72
LW29901655 60mm Synchro Control Double, Becket Price: $105.66 LW29901656 60mm Synchro Control Triple, Becket Price: $154.96
LW29901659 60mm Synchro Control Single, Becket, Cam Price: $121.98 LW29901661 60mm Synchro Control Single, Ratchet Price: $73.78
LW29901665 60mm Synchro Control Single, Ratchet, Becket Price: $80.41 LW29901667 60mm Synchro Control Single, Ratchet, Cam Price: $157.51
LW29901668 60mm Synchro Control Triple, Ratchet, Cam Price: $270.39 LW29901670 60mm Synchro Control Triple, Ratchet, Becket, Cam Price: $334.14
LW29901677 60mm Synchro Control Single, Web Block Price: $38.25 LW29904042 Cam Kit fo 60mm Single Price: $83.30
LW29904043 Cam Kit fo 60mm Triple Price: $83.30


Lewmar 60mm Synchro Blocks

Lewmar 60mm Synchro Blocks

The Synchro range is for hand held or winched lines, and features a self-lubricating, Free-Spin bearing and swivel lock self aligning head. Cams are adjustable on those that have them.

All except the LW29926021 Toggle Head fit the LW29926040 Synchro Snap Shackle and LW19811000 Stand-Up.

Part No. Description Sheave Dia SWL Optimum Line Size Max Line Weight
mm kg lbs mm in mm in g oz
LW29926001 Single 60 800 1760 10 3/8 8 5/16 115 4.06
LW29926002 Double 60 800 1760 10 3/8 8 5/16 127 4.48
LW29926003 Triple 60 800 1760 10 3/8 8 5/16 251 8.84
LW29926004 Single Becket 60 800 1760 10 3/8 8 5/16 261 9.19
LW29926005 Double Becket 60 800 1760 10 3/8 8 5/16 371 13.06
LW29926010 Triple Becket Cam 60 800 1760 10 3/8 8 5/16 383 13.50
LW29926021 Toggle head 60 800 1760 10 3/8 8 5/16 447 15.73
LW29926029 Single Alloy Sheave 60 800 1760 10 3/8 8 5/16 156 5.5
LW29926031 Fiddle 60 800 1760 10 3/8 8 5/16 166 5.85
LW29926034 Fiddle Becket 60 800 1760 10 3/8 8 5/16 221 7.78
LW29926037 Fiddle Cam 60 800 1760 10 3/8 8 5/16 234 8.24
LW29926039 Fiddle Becket Cam 60 800 1760 10 3/8 8 5/16 165 5.82


LW29926001 60mm Synchro Single Price: $25.39 LW29926002 60mm Synchro Double Price: $51.94
LW29926003 60mm Synchro Triple Price: $77.44 LW29926004 60mm Synchro Single, Becket Price: $29.16
LW29926005 60mm Synchro Double, Becket Price: $54.66 LW29926006 60mm Synchro Triple, Becket Price: $77.78
LW29926010 60mm Synchro Triple, Becket, Cam Price: $129.29 LW29926021 60mm Synchro Single, Toggle Head Price: $24.57
LW29926029 60mm Synchro Single, Alloy Sheave Price: $43.69 LW29926031 60mm Synchro Fiddle Price: $37.32
LW29926034 60mm Synchro Fiddle, Becket Price: $40.04 LW29926037 60mm Synchro Fiddle, Cam Price: $79.22
LW29926039 60mm Synchro Fiddle, Becket, Cam Price: $77.92


Lewmar 72mm Synchro Blocks

Lewmar 72mm Synchro Blocks

The Synchro range is for hand held or winched lines, and features a self-lubricating, Free-Spin bearing and swivel lock self aligning head. Cams are adjustable on those that have them.

All except the LW29927221 Toggle Head fit the LW29927240 Synchro Snap Shackle and LW19821000 Stand-Up.

Part No. Description Sheave Dia SWL Optimum Line Size Max Line Weight
mm kg lbs mm in mm in g oz
LW29927201 Single 72 1100 2420 10 3/8 12 1/2 190 6.69
LW29927204 Single/becket 72 1100 2420 10 3/8 12 1/2 210 7.41
LW29927202 Double 72 1100 2420 10 3/8 12 1/2 406 14.29
LW29927205 Double/becket 72 1100 2420 10 3/8 12 1/2 415 14.61
LW29927203 Triple 72 1100 2420 10 3/8 12 1/2 618 21.75
LW29927206 Triple/becket 72 1100 2420 10 3/8 12 1/2 638 22.50
LW29927210 Triple/becket/cam 72 1100 2420 10 3/8 12 1/2 820 28.86
LW29927231 Fiddle 72 1100 2420 10 3/8 12 1/2 250 8.80
LW29927234 Fiddle/becket 72 1100 2420 10 3/8 12 1/2 275 9.70
LW29927237 Fiddle/cam 72 1100 2420 10 3/8 12 1/2 339 11.93
LW29927239 Fiddle/becket/cam 72 1100 2420 10 3/8 12 1/2 356 12.53


LW29927201 72mm Synchro Single Price: $40.97 LW29927202 72mm Synchro Double Price: $81.01
LW29927203 72mm Synchro Triple Price: $119.26 LW29927204 72mm Synchro Single, Becket Price: $42.90
LW29927205 72mm Synchro Double, Becket Price: $84.66 LW29927206 72mm Synchro Triple, Becket Price: $120.19
LW29927210 72mm Synchro Triple, Becket, Cam Price: $170.26 LW29927221 72mm Synchro Single, Toggle Head Price: $37.65
LW29927231 72mm Synchro Fiddle Price: $53.40 LW29927234 72mm Synchro Fiddle, Becket Price: $56.90
LW29927237 72mm Synchro Fiddle, Cam Price: $102.00 LW29927239 72mm Synchro Fiddle, Becket, Cam Price: $101.56


Lewmar 90mm Synchro Blocks

Lewmar 90mm Synchro Blocks

The Synchro range is for hand held or winched lines, and features a self-lubricating, Free-Spin bearing and swivel lock self aligning head. Cams are adjustable on those that have them.

All except the LW29929021 Toggle Head fit the LW29929040 Synchro Snap Shackle and LW19831000 Stand-Up.

Part No. Description Sheave Dia SWL Optimum Line Size Max Line Weight
mm kg lbs mm in mm in g oz
LW29929001 Single 90 2000 4400 12 1/2 14 9/16 413 14.57
LW29929004 Single/becket 90 2000 4400 12 1/2 14 9/16 458 16.15
LW29929002 Double 90 2000 4400 12 1/2 14 9/16 966 34.0
LW29929003 Triple 90 2000 4400 12 1/2 14 9/16 1389 48.89
LW29929031 Fiddle 90 2000 4400 12 1/2 14 9/16 544 19.19
LW29929034 Fiddle/becket 90 2000 4400 12 1/2 14 9/16 589 20.77
LW29929039 Fiddle/becket/cam 90 2000 4400 12 1/2 14 9/16 879 27.12


LW29929001 90mm Synchro Single Price: $89.31 LW29929002 90mm Synchro Double Price: $175.70
LW29929003 90mm Synchro Triple Price: $258.15 LW29929004 90mm Synchro Single, Becket Price: $101.56
LW29929031 90mm Synchro Single, Fiddle Price: $119.26 LW29929034 90mm Single Fiddle, Becket Price: $132.94
LW29929039 90mm Synchro Fiddle, Becket, Cam Price: $237.66


Lewmar 105mm Synchro Blocks

Lewmar 105mm Synchro Blocks

The Synchro range is for hand held or winched lines, and features a self-lubricating, Free-Spin bearing and swivel lock self aligning head. Cams are adjustable on those that have them.

Part No. Description Sheave Dia SWL Optimum Line Size Max Line Weight
mm kg lbs mm in mm in g oz
LW29921050 Single 105 3500 7700 14 9/16 16 5/8 1535 54.2
LW29921051 Single/becket 105 3500 7700 14 9/16 16 5/8 786 27.72
LW29921054 Double 105 3500 7700 14 9/16 16 5/8 874 30.76
LW29921052 Triple 105 3500 7700 14 9/16 16 5/8 1005 35.38
LW29921055 Fiddle 105 3500 7700 14 9/16 16 5/8 1134 40.0
LW29921059 Fiddle/becket 105 3500 7700 14 9/16 16 5/8 698 24.6


LW29921050 105mm Synchro Single, Stand Up Price: $797.64 LW29921051 105mm Synchro Single Price: $496.23
LW29921052 105mm Synchro Fiddle Price: $708.05 LW29921054 105mm Synchro Single, Becket Price: $531.25
LW29921055 105mm Synchro Fiddle, Becket Price: $754.04 LW29921059 105mm Synchro Single, Head for Sz 3 NTR Upstand Price: $676.60


Lewmar Synchro Control Footblocks

Lewmar Synchro Control Footblocks

The Synchro Control range is designed for hand held and cleated loads (ie. no winches). Using MRT (Metal Replacment Technology) combined with stainless steel central race and balls makes these blocks efficient and lightweight.

Part No. Size (mm) Description SWL Breaking Load Max Line Weight Length Sheave Dia Deck Thickness
mm kg lbs kg lbs mm in g oz mm in mm in mm
LW29901360 30 Single 200 440 480 1056 8 5/16 18.5 0.65 50 2 30 1-3/16 - -
LW29901460 40 Single 240 528 900 1980 10 3/8 43 1.52 67 2-5/8 40 1-9/16 - -
LW29906601 60 Single* 400 882 800 1764 12 7/16 160 5.6 86 3-3/8 60 2-3/8 35 1-3/8
LW29906602 60 Double* 400 882 800 1764 12 7/16 258 9.1 86 3-3/8 60 2-3/8 35 1-3/8
LW29906604 60 Single Jamming - LH* 400 882 800 1764 12 7/16 181 6.3 93 3-3/4 60 2-3/8 35 1-3/8
LW29906606 60 Single Jamming - RH* 400 882 800 1764 12 7/16 181 6.3 93 3-3/4 60 2-3/8 35 1-3/8
LW29906605 60 Double Jamming - LH* 400 882 800 1764 12 7/16 285 9.9 93 3-3/4 60 2-3/8 35 1-3/8
LW29906607 60 Double Jamming - RH* 400 882 800 1764 12 7/16 285 9.9 93 3-3/4 60 2-3/8 35 1-3/8
LW29906621 60 CCW Ratchet (LH) - Port 400 882 800 1764 12 7/16 160 5.6 86 3-3/8 60 2-3/8 - -
LW29906622 60 CW Ratchet (RH) - Stbd 400 882 800 1764 12 7/16 160 5.6 86 3-3/8 60 2-3/8 - -

*Includes parts 2xM6 / 1xM6



LW29901360 30mm Synchro Control Cheek Block Price: $13.69 LW29901460 40mm Synchro Control Cheek Block Price: $23.72
LW29906601 60mm Synchro Control Single, Footblock Price: $68.94 LW29906602 60mm Synchro Control Double, Footblock Price: $128.18
LW29906604 60mm Synchro Control Single, Footblock, LH Jamming Price: $95.63 LW29906605 60mm Synchro Control Double, Footblock, LH Jamming Price: $150.28
LW29906606 60mm Synchro Control Single, Footblock, RH Jamming Price: $85.60 LW29906607 60mm Synchro Control Double, Footblock, RH Jamming Price: $136.17
LW29906621 60mm Synchro Control Single, Footblock, LH Ratchet Price: $117.56 LW29906622 60mm Synchro Control Single, Footblock, RH Ratchet Price: $117.56


Lewmar Synchro Footblocks

Lewmar Synchro Footblocks

The 60mm and up Synchro footblocks feature alloy cheeks, fixing isolators and molded baseplates. All three sizes are availalbe as standard or jamming blocks and can be stacked to form a double footblock.

The 60mm have hole spacing of 2" (51 mm) and require 2x 5/16" (M8) FH fasteners. The 72mm have hole spacing of 2 9/32" (58 mm) and require 2x 5/16" (M8) FH fasteners. The 90mm have hole spacing of 2 23/32" (69 mm) and require 2x 3/8" (M10) FH fasteners.

The smaller 40mm control line footblocks come with a stainless steel base and can be used as miniature organizers or deflectors for lines being returned to the cockpit. These require 5/16" (M8) RH fasteners.

Part No. Size (mm) Description SWL Breaking Load Max Line Weight Length Fixings
kg lbs kg lbs mm in g oz mm in mm in
LW29924061 40 Control line 750 1653 1500 3307 10 3/8 66 2.33 63 2-15/16 M8 5/16 Button head
LW29924062 40 Double control line 750 1653 1500 3307 10 3/8 121 4.27 63 2-15/16 M8 5/16 Button head
LW29926061 60 Footblock 800 1764 1600 3527 10 3/8 162 5.7 98 3-27/32 M8 5/16 Countersunk
LW29926064 60 Jamming Footblock 800 1764 1600 3527 10 3/8 190 6.7 98 3-27/32 M8 5/16 Countersunk
LW29927261 72 Footblock 1200 2645 2400 5291 12 1/2 229 8.1 110 4-21/64 M8 5/16 Countersunk
LW29927264 72 Jamming Footblock 1200 2645 2400 5291 12 1/2 250 8.8 110 4-21/64 M8 5/16 Countersunk
LW29929061 90 Footblock 2000 4409 4000 8818 14 9/16 430 15.2 134 5-17/64 M10 3/8 Countersunk
LW29929064 90 Jamming Footblock 2000 4409 4000 8818 14 9/16 480 16.9 134 5-17/64 M10 3/8 Countersunk


LW29924061 40mm Synchro Single, Footblock Price: $20.06 LW29924062 40mm Synchro Double, Footblock Price: $30.09
LW29926061 60mm Synchro Single, Footblock Price: $39.19 LW29926064 60mm Synchro Single, Footblock, Jamming Price: $44.20
LW29927261 72mm Synchro Single, Footblock Price: $48.28 LW29927264 72mm Synchro Single, Footblock, Jamming Price: $62.82
LW29929061 90mm Synchro Single, Footblock Price: $81.01 LW29929064 90mm Synchro Single, Footblock, Jamming Price: $99.03


Lewmar Block Upstands

Lewmar Block Upstands

Use these to turn blocks into stand-up blocks. The LW29904046 suits 40 and 50mm blocks. The LW29904050 suits 60mm blocks. The LW19811000 suits 60mm Synchro Blocks. The LW19821000 suits 72mm Synchro Blocks. The LW19831000 suits 90mm Synchro Blocks.

Part No. Size (mm) Description SWL Weight Base Dia.
kg lbs g oz mm in
LW29904046 50 Upstand Kit 400 990 24 0.8 30 1-3/16
LW29904050 60 Upstand Kit 400 990 24 0.8 45 1-3/4
LW198110 00 60 Syncro Block Upstand 800 1760 120 4 69 2-1/4
LW19821000 72 Syncro Block Upstand 1100 2420 130 4.5 69 2-1/4
LW19831000 90 Syncro Block Upstand 2000 4400 310 11 89 3-1/4


LW19811000 60mm Synchro Stand UP Deck Plate SZ1 Price: $63.75 LW19821000 72mm Synchro Stand Up Deck Plate SZ2 Price: $67.15
LW19831000 90mm Synchro Stand Up Deck Plate SZ3 Price: $94.69 LW29904046 40/50mm Standup Kit Price: $11.48
LW29904050 60mm Ratchet Stand-up Kit Price: $14.88


Lewmar Synchro Snap Shackles

Lewmar Synchro Snap Shackles

Use the Synchro Snap Shackles with Lewmar Synchro and Synchro Control blocks to make them quickly removable.

Part # Suits Safe Working Load Breaking Load Pin Diameter
kg lb kg lb mm in
LW29925040 50mm 475 1050 950 2100 4 1/8
LW29926040 60mm 800 1760 1600 3520 5 3/16
LW29927240 72mm 1100 2420 2200 4840 6 1/4
LW29929040 50mm 2000 4400 4000 8800 9.5 3/8


LW29925040 50mm Synchro Snap Shackle Price: $28.22 LW29926040 60mm Synchro Snap Shackle Price: $30.94
LW29927240 72mm Synchro Snap Shackle Price: $40.97 LW29929040 90mm Synchro Snap Shackle Price: $66.47

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