Harken 57 mm Carbo Ratchet Air Block

57mm Carbo Air Block - Single Ratchet with Swivel

Features:

• Lightweight, strong, reliable and affordable
• Small, compact blocks
• High working loads for safe and easy trimming
• Blocks are 30% lighter with a 60% higher working load than Classic blocks
• Open Air Block design eliminates unnecessary material and weight
• Ball bearings, sheave, and side plates are UV stabilized with carbon black for maximum protection
• Patented switch locks shackle in front or side positions, or lets block swivel to keep line from twisting
• Designed for use with:
  • Main / jib sheets
  • Mainsheet fine-tune
  • Control lines
  • Vangs
  • Cunninghams
  • Outhauls

Specifications:

• Maximum Working Load: 500 lb (227 kg)
• Breaking load: 2000 lb (907 kg)
• Weight: 3oz (85g)
• Sheave diameter: 2-1/4" (57 mm)
• Maximum line size: 3/8" (10 mm)