57mm Triple Shackle Block

Deluxe Ball Bearing Blocks

Master Voyage Deluxe blocks are beautifully hybrid with composite and 316 stainless steel to provide lightweight and durability. Available in a wide range of configurations and ideal for all applications.
 

Strong Strength

Hybrid with Engineering composite and Stainless Steel, Master Deluxe block is stronger and lighter than classic Stainless Steel blocks. 316 L Stainless Steel Strap reinforces the block and anti-corrosion. Engineering composite sideplates are UV-stabilizer with Anti-UV additives for maximum protection.

Low Friction Ball Bearing 

The exclusive engineering plastic composites ball bearing provides sheave with good rotation and less friction.

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57mm Triple Shackle Block
SPB-5705F
USD$

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MATERIALS

• Sheave: self-lubricant acetal composite
• Ball Bearing: self-lubricant acetal composite
• Sideplates/frames: reinforced glass fiber Nylon composite with UV stablized / 316 Stainless Steel
• Shackle: Forged  Grade 316 stainless steel