Strong, lightweight aluminum blocks for offshore boats

Used for sheets, halyards, running backstays and control lines on offshore boats, these strong, lightweight blocks are made of sculpted aluminum with Torlon rollers and carbon black balls for strength and UV protection.

• Sheave: 6061-T6 Hardkote anodized aluminum
• Cheek Material/Finish: 6160-T6 Hardkote anodized aluminum
• Sheave Size: 57mm (2-1/4")
• Line Dia: 7/16" (12mm) max
• Construction: Three fasteners for quick disassembly. Plastic isolators separate dissimilar metals
• Three-way head system. Swivels or can be locked in front/side position; 1/4" pin

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