APS - Spool Shackles and Spectra Loops
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Tylaska Spool Shackles

Tylaska Spool Shackles

Spool Shackles by Tylaska rid your sheets and halyards of the needless weight of traditional shackles. These patent pending, Tylaska shackles will not jam and remain easy to fasten and unfasten even after loading up to the tensile strength of the line. Machined from high-strength aluminum, the Spool Shackle has an exceptional strength-to-weight ratio. The key is that the line itself supplies the strength while the shackle simply redirects the force.

The ease of unfastening after loading is equally amazing. Based upon the concept of "breaking the back" of a bowline knot, the line can be rolled back and taken off even after it becomes "stiff as a wire" from tension.

The Spool Shackle works with both conventional and hi-tech lines. All that's needed is an eye spliced (looped) end. Better yet, you don't have to open a spliced loop and then resplice it to attach the Spool Shackle to a line. Just slide the Spool Shackle on and close the retaining pin. The retaining pin keeps the Spool Shackle captive on the loop when not in use and can be removed for transferring to another line. An "O" ring is included but its use is optional. (Slides down against loop locked end of line for extra security against release during sail flogging. Testing thus far indicates the "O" ring is not necessary.)

Part # Description For Line Sizes Working Load Breaking Strength Weight
in mm lbs kg lbs kg oz g
TYS2 Spool Shackle, 1/8" (3mm) 1/8 3 1,000 454 2,000 909 0.10 2.8
TYS3 Spool Shackle, 5/32" (4mm) 1/8 - 5/32 3 - 4 1,500 682 3,000 1,364 0.25 8.5
TYS5 Spool Shackle, 3/16" (5mm) 3/16 5 2,500 1,135 5,000 2,273 0.50 14.2
TYS8 Spool Shackle, 1/4" (6mm) 1/4 6 4,000 1,818 8,000 3,636 0.65 21.3
TYS12 Spool Shackle, 5/16" (8mm) 5/16 8 6,000 2,727 12,000 5,455 1.55 45.5
TYS20 Spool Shackle, 3/8" (10mm) 3/8 - 7/16 10 - 11 10,000 4,545 20,000 9,091 3.40 96
TYS30 Spool Shackle, 1/2-3/4" (12-18mm) 1/2 - 3/4 12 - 18 15,000 6,581 30,000 13,620 10.8 307


TYS12 Spool Shackle 5/16 - 8mm Price: $41.21 TYS2 Spool Shackle 1/8 - 3mm Price: $27.71
TYS20 Spool Shackle 3/8 - 7/16 Price: $52.46 TYS3 Spool Shackle 5/32 - 4mm Price: $29.96
TYS30 Spool Shackle 1/2- 3/8 Price: $74.96 TYS5 Spool Shackle 3/16 - 5mm Price: $32.21
TYS8 Spool Shackle 1/4 - 6mm Price: $34.46


Dogbone by Soak

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Dogbone by Soak

Strong, lightweight and versatile. Use them on tack lines, halyards, spinnaker sheets, outhauls, reefing lines, hardware lashing and standing rigging. Lanyard holes for whipping into place or enable use of removable pin. Anodized for corrosion resistance, durability and strength.

Available in green, red, silver or blue.

Part Number Size Line Diameter D1 D2 Length Weight Safe Working Load
lb kg
SOAK1050 8 <1/8"(3mm) 5/16" (8mm) 1/4" (5mm) 1.42" (36mm) .14oz (4g) 500 227
SOAK105 10 1/8"(3mm) - 3/16"(5mm) 7/16" (10mm) 9/32" (7mm) 1.77" (45mm) .25oz (7g) 1,000 454
SOAK1052 12 3/16"(5mm)- 9/32"(7mm) 1/2" (12mm) 11/32 " (8.5mm) 2.05" (52mm) .52oz (15g) 3,000 1360


SOAK105 Soak #10 Dogbone- 1/8" - 3/16" Line Price: $24.95 SOAK1050 Soak #8 Dogbone- 7/64" - 1/8" Line Price: $22.95
SOAK1052 Soak #12 Dogbone- 3/16" - 1/4" Line Price: $27.95


Dyneema Shackle Loops by APS

Dyneema Shackle Loops by APS

Whether you call them soft shackles, softies, or loops - it’s clear that spliced Dyneema shackles are quickly becoming the norm on high performance race boats from the America’s Cup to moths and everything in between. Extremely lightweight and strong, these can replace shackles almost anywhere you need them and happen to be ideal for jib sheets as they won’t bang up your mast or get chewed up by inhaulers. Our shackle loops are also a great way to attach blocks like the Harken T2 or Airblocks to a padeye, toerail, or boom when you need a block to be able to rotate and pivot in ways a shackle won’t allow. A Velcro securing strap comes with each shackle to prevent the loop from coming undone in no-load flogging situations.

Spliced onto the end of a stripped halyard, it’s the lightest weight halyard attachment available.These Dyneema shackle loops are offered in a wide range of diameters and lengths. Developed in-house by APS expert riggers: They are all made in the APS rigging shop and can be custom made to any length* you need.

Overall 'length' is determined by closing Dyneema shackle loop and measuring the inside length. See diagram above.

Part Number Description Maximum Working Load Length
lb kg in mm
APSDSL764 7/64” or 2.78mm Line Diameter 1,100 498 2 or 3 50-4/5 or 76-1/5
APSDSL18 1/8" or 3mm Line Diameter 1,540 698 2 or 3 50-4/5 or 76-1/5
APSDSL532 5/32" or 4mm Line Diameter TBD TBD 2-1/2 or 3-1/2 63-1/2 or 88-9/10
APSDSL316 3/16" or 5mm Line Diameter TBD TBD 3 or 4 76-1/5 or 101 3/5


APSDSL18 1/8 Dyneema Shackle Loop Price: $21.95 APSDSL316 3/16 Dyneema Shackle Loop Price: $27.95
APSDSL764 7/64 Dyneema Shackle Loop Price: $18.95



Tylaska P4 Plastic Spool Shackle

Tylaska P4 Plastic Spool Shackle P4 Plastic Spool Shackle
Made of high-impact polycarbonate

This revolutionary new shackle from Tylaska replaces the age-old knot. It remains easy to fasten and unfasten even after loading up the line. Ideal for halyards, genoa sheets and in other high impact knotting areas. Works well with both conventional and high-tech lines. The new P4 is made of high-impact polycarbonate for even greater weight savings (not to mention cost!)

Comes with a keeper and pin.

For Line Size Working Load Breaking Strength Weight
lbs kg lbs kg oz g
3/8 (10mm) 2,200 1,000 4,400 2,000 0.80 22.7


TYP4 Red Plastic Spool Shackle Price: $12.71



Paraloc Dyneema Loops

Paraloc Dyneema Loops Paraloc Dyneema Loops
Made of Dyneema SK-75

Loops instead of shackles - the smart solution. Loops have many advantages, i.e., they don’t suffer abrasion on the deck or thump, and are much lighter and easier to handle than shackles.

Made of Dyneema SK-75 for exceptional performance. Sold in pairs. Length is measured with loop collapsed flat.



Yale Loups

Yale Loups

Make it light. Yale Cordage has unveiled LOUPS - a new product designed to replace steel shackles, providing greater strength at a fraction of steel's weight. Using UHMW Braid, Yale's engineers overlap consecutive coils, then splice the ends to create a single loop of overlapping lines. That multiple-strand loop is then encased in a 48 carrier polyethylene sleeve to reduce abrasion. The completed loop then undergoes Yale's proprietary process to equalize stress across each strand, ensuring maximum strength when the finished LOUP is ultimately installed.

Yale tested their first LOUPS on Team Adventure during The Race, where they were used to replace steel hardware for a variety of applications. The 30 LOUPS that were used to replace Team Adventure's shackles resulted in a weight savings of more than 200 pounds. After The Race they did not look like they had been under stress and exposed to the elements for more than 30,000 miles.

Yale has incorporated color-coded wear indicators in the sleeve's braid which also identify the LOUPS' strength rating. As they undergo use, the colored tracers will break down, indicating the need to replace the LOUP.

Part # Diameter Length Weight Vertical SWL Choker SWL Basket SWL
in mm oz g lb kg lb kg lb kg
ARI3139 9mm 4 100 0.7 20 2,800 1,270 2,240 1,015 5,600 2,540
ARI3140 9mm 8 200 1.4 40 2,800 1,270 2,240 1,015 5,600 2,540
ARI3141 9mm 11 280 2 55 2,800 1,270 2,240 1,015 5,600 2,540
ARI3142 10mm 5 125 1.1 30 4,200 1,900 3,360 1,520 8,400 3,810
ARI3143 10mm 9 230 2 55 4,200 1,900 3,360 1,520 8,400 3,810
ARI3144 10mm 15 380 3.3 94 4,200 1,900 3,360 1,520 8,400 3,810
ARI3145 11mm 5 125 1.7 50 5,700 2,585 4,560 2,065 11,400 5,170
ARI3146 11mm 9 230 3.1 88 5,700 2,585 4,560 2,065 11,400 5,170
ARI3147 11mm 16 400 5.4 154 5,700 2,585 4,560 2,065 11,400 5,170
ARI3148 12mm 6 150 2.3 65 7,150 3,240 5,680 2,575 14,200 6,440
ARI3149 12mm 11 280 4.2 120 7,150 3,240 5,680 2,575 14,200 6,440
ARI3150 12mm 17 430 6.5 180 7,150 3,240 5,680 2,575 14,200 6,440

Optional Dogbone works only with the ARI3144 Loup.

ARI3139 Loup 9mm- approx. 5 vertical. Price: $74.93 ARI3140 Loup 9mm- approx 8 vertical. Price: $84.28
ARI3141 Loup 9mm- approx 11 Vertical. Price: $93.67 ARI3142 Loup 10mm- approx 5 vertical. Price: $93.67
ARI3143 Loup 10mm- approx 9 vertical. Price: $103.02 ARI3144 Loup 10mm- approx 15 Vertical Price: $114.28
ARI3145 Loup 11mm- approx 5 vertical. Price: $107.74 ARI3146 Loup 11mm- approx 9 vertical. Price: $117.09
ARI3147 Loup 11mm- approx 16 Vertical Price: $123.68 ARI3148 Loup 12mm- approx 6 vertical. Price: $121.76
ARI3149 Loup 12mm- approx 11 vertical. Price: $131.16 ARI3150 Loup 12mm- 17 vertical. Price: $142.42
H3151 Dogbone for ARI3144 Loup Price: $31.90

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