Harken Carbo AirBlock - 57 mm (2 1/4") - 2603

The Harken 57 mm Carbo Air Block - Double with Swivel and Becket (2603) is a lightweight, strong and affordable block. They enable safe and easy sail trimming and are 30% lighter, with a 60% higher working load, than Classic blocks.

Features:

• 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:

• Safe working load: 1584 lbs (720 kg)
• Breaking load: 3300 lbs (1500 kg)
• Weight: 6.6 oz (187 g)
• Sheave diameter: 2 1/4" (57 mm)
• Maximum line size: 7/16" (10 mm)

Note: do not use Harken Equipment for human suspension.