Hook Block (S)
item NO.：OS-1602F-
Hook Blocks
Hook composite ball bearing blocks are engineered for competitive Optimist mast. The high strength reinforced plastic sideplate provides top performance of working loads. Sheave and Hook are 316 stainless steel.
Hook Block (B)
OS-1602F
$
MATERIALS- Sheave: 316 stainless steel
- Ball Bearing: Self-lubricant acetal composite
- Sideplates/frames: Fiber reinforced plastic
- Shackle: 316 stainless steel
APPLICATIONS- Optimist mast
Do not use Master products for human suspension!
