57mm Triple Swivel Shackle, Fairlead Cleat, Becket Block
item NO.：BB-0513F-
Windrider Ball Bearing Blocks
Master Windrider blocks are engineered for competitive sailing. The high strength composite sideplates are to provide top performance of working loads. The excellent weather-ability protects blocks from breaking down for any sailing conditions. Available in comprehensive range of sizes for different rope diameters and configurations. Master blocks are beautiful in design, but simple in use.
57mm Triple Swivel Shackle, Fairlead Cleat, Becket Block
BB-0513F
$38.39
MATERIALS- Sheave: self-lubricant acetal composite
- Ball Bearing: self-lubricant acetal composite
- Sideplates/frames: reinforced glass fiber Nylon composite with UV stablized
- Shackle: Forged Grade 316 stainless steel
Do not use Master products for human suspension! -
SPECS
Sheave Ø (mm) 57mm Sheave Ø (in.) 2 1/4in. Maximum line Ø (mm) 10mm Maximum line Ø (in.) 3/8 in. Weight (g) 365g Weight (oz.) 12.88oz. Maximum working load (kg.) 1443kg. Maximum working load (lb.) 3182lb. Maximum breaking load (kg.) 3328kg. Maximum breaking load (lb.) 7337lb. -
