Rings, Triangles & "D" Rings
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Sea Dog Stainless Steel Round Rings

Sea Dog Stainless Steel Round Rings

Made of tough, corrosion resistant, 304 type stainless steel, these round rings are available in many sizes and thicknesses. They are most commonly used for Spinnaker Pole Bridles, Opti Boom Bridles, or anywhere a strong circular attachment is necessary.

Part No. Gauge (A) Inside Width (B) Breaking Strength Working Load Weight
in mm in mm lb kg lb kg oz g
SED191207 1/8 3 3/4 19 650 295 162 73 ..32 9
SED191307 3/16 5 3/4 19 1,000 454 250 113 .48 14
SED191310 3/16 5 1 25 1,000 454 250 113 .48 14
SED191312 3/16 5 1 3/16 30 1,000 454 250 113 .64 18
SED191410 1/4 6 1 25 2,700 1,225 675 306 .80 23
SED191412 1/4 6 1 1/4 32 2,700 1,225 675 306 .96 27
SED191415 1/4 6 1 1/2 38 2,700 1,225 675 306 1.28 36
SED191512 5/16 8 1 1/4 32 5,000 2,268 1,250 567 1.76 50
SED191517 5/16 8 1 3/4 45 5,000 2,268 1,250 567 2.4 68
SED191620 3/8 9 2 51 6,200 2,812 1,550 703 3.2 91
SED191632 3/8 9 3 1/4 81 6,200 2,812 1,550 703 4.96 141


SED191207 S.S. Round Ring 1/8 x 3/4 ID Price: $2.25 SED191307 S.S. Round Ring 3/16 x 3/4 ID Price: $1.50
SED191310 S.S. Round Ring 3/16 x 1 ID Price: $1.90 SED191312 S.S. Round Ring 3/16 x 1 3/16 ID Price: $2.05
SED191410 S.S. Round Ring 1/4 x 1 ID Price: $2.25 SED191412 S.S. Round Ring 1/4 x 1 1/4 ID Price: $2.45
SED191415 S.S. Round Ring 1/4 x 1 1/2 ID Price: $2.95 SED191512 S.S. Round Ring 5/16 x 1 3/8 ID Price: $4.95
SED191517 S.S. Round Ring 5/16 x 1 3/4 ID Price: $5.25 SED191620 S.S. Round Ring 3/8 x 2 ID Price: $7.25
SED191632 S.S. Round Ring 3/8 x 3 1/4 ID Price: $9.50



RWO Stainless Steel Rings

RWO Stainless Steel Rings Made of stainless steel, RWO rings are available in many sizes and thicknesses. Typically used for spinnaker pole bridles, Opti boom bridles, or anywhere a secure, strong ring is needed..

Part No. Diameter Gauge Break Load Weight
in mm in mm lb kg oz g
R4141 3/8 9 1/8 3 1,100 500 .11 3
R4142 1/2 13 5/32 4 2,200 1,000 .18 5
R4150 11/16 18 3/16 5 4400 2,000 .35 10
R4151 1 25 3/16 5 4,400 2,000 53 15
R4153 1-1/4 32 3/16 5 4400 2,000 .60 17
R4155 1-3/4 45 3/16 5 4,400 2,000 .85 24
R4161 1-1/4 32 1/4 6 6,600 3000 .85 24
R4163 1-3/4 45 1/4 6 6,600 3,000 1.27 36
R4165 2-1/4 57 1/4 6 6,600 3,000 1.55 44


R4141 SS Ring 1/8 x 3/8 ID Price: $4.97 R4142 SS Ring 5/32 x 1/2 ID Price: $6.89
R4150 SS Ring 3/16 x 11/16 ID Price: $6.89 R4151 SS Ring 3/16 x 1 ID Price: $5.78
R4153 SS Ring 3/16 x 1-1/4 ID Price: $6.89 R4155 SS Ring 3/16 X 1-3/4 ID Price: $8.27
R4161 SS Ring 15/64 x 1-1/4 ID Price: $8.82 R4163 SS Ring 15/64 x 1-3/4 ID Price: $11.58
R4165 SS Ring 15/64 x 2-1/4 ID Price: $13.79



Allen Nylon Rings

Allen Nylon Rings Made of high grade nylon, Allen white molded sail rings are available in four different sizes. Sold in Pairs.

Part No. I/D O/D Max Load
in mm in mm lbs kg
HA56 1/2 13 7/8 22 110 50
HA156 11/16 18 1-1/4 32 198 90
HA256 7/8 22 1-1/2 37.5 286 130
HA356 1-3/32 28 1-27/32 46.5 440 200


HA156 32mm (1.24) OD Nylon Ring (Pair) Price: $2.16 HA256 37.5mm (1.46) OD Nylon Ring - (Pair) Price: $2.39
HA356 46.5mm (1.81) OD Nylon Ring (Pair) Price: $3.65 HA56 22mm (0.85) OD Nylon Ring (Pair) Price: $2.16



Ronstan Nylon Rings

Ronstan Nylon Rings Rings are made from impact resistant, U.V. stabilized Nylon.

Part No. Diameter Gauge
in mm in mm
RFPNP52C 3/4 19 3/16 5
RFPNP53E 1-3/4 45 3/8 9


RFPNP52C 3/4 Nylon Ring Price: $1.66 RFPNP53E 1-3/4 ID Nylon Ring Price: $2.51



Sea Sure Stainless Steel Triangles

Sea Sure Stainless Steel Triangles Barrel finished stainless steel triangles are perfect for your hiking straps by allowing your tie down lines to remain centered while you're hiking.

Inside Width Inside Height Gauge (Triangle) Gauge (Bar)
in mm in mm in mm in mm
3-5/32 80 1-13/16 46 5/16 8 5/32 4


SS1787 Triangle, Welded 5/16 Stock 80mm x 46mm w/Cross Bar Price: $127.48



Sea Dog Stainless Steel Triangle Rings

Sea Dog Stainless Steel Triangle Rings Sea Dog Triangle Rings are made of AISI 304 stainless steel for durability and strength.

Part No. Gauge Inside Width
in mm in mm
SED191921 1/8 3 1-1/8 29
SED191944 1/4 6 1-1/2 38


SED191921 S.S. Triangle Ring 1/8 x 1 ID Price: $2.55 SED191944 S.S. Triangle Ring 1/4 x 1 7/8 ID x 2 1/2 ID Price: $5.00



RWO Stainless Steel Triangles

RWO Stainless Steel Triangles These come in two sizes and are great for split backstay adjusters. Place the two blocks (running on the backstay wires) on the two upper corners and a single block at the bottom corner for the control line. Made of stainless steel.

Part No. Diameter Gauge
in mm in mm
R4157 1-3/4 45 2-1/4 57
R4167 2 51 2-3/4 70


R4157 SS Triangle 2 1/4 long Price: $18.95 R4167 SS Triangle 2 3/4 long Price: $22.88



Ronstan Stainless D Rings

Ronstan Stainless D Rings These "rings" are great on bridleless spinnaker poles. Use for topping lift and downhaul attachment points. Lace onto the pole with small, low-stretch line.

Part No. Diameter Inside Height Inside Width
in mm in mm in mm
RFCS3250650 5/32 4 1-3/4 44.5 2 50.8
RFCS3250640 1/4 6.35 1-3/8 34.9 1-9/16 39.7
RFCS3250425 5/32 4 7/8 22.2 1-1/16 27


RFCS3250425 D-Ring 5/32, 7/8 IH x 1-1/16 IW Price: $0.81 RFCS3250640 D-Ring 1/4, 1-3/8IH x 1-9/16 IW Price: $1.66

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