57mm Harken Carbo Single Block, Swivel, Becket

The Harken 57 mm Carbo single block with swivel and becket is used to build sheet purchases, with the line dead-ended on the becket. Harken designs the 57 mm Carbo for main and jib sheets on dinghies and keelboats such as the Lightning, Dragon, Soling or J/24, and for catamaran mainsheet systems.

Features

• Single block with swivel and becket
• Cam-Lock or U-Lock: fix the shackle facing forward or sideways, or let it swivel freely
• According to Harken 60% stronger and 30% lighter than Classic blocks
• Glass-reinforced nylon resin sideplates, blackened for UV protection

Specifications

• Sheave diameter: 57 mm
• Length: 132 mm
• Weight with shackle: 96 g
• Max. line diameter: 10 mm
• Shackle pin diameter: 5 mm
• Maximum working load: 360 kp
• Breaking load: 1080 kp

Applications

• Main and jib sheets
• Mainsheet fine tune
• Control lines, vang, cunningham
• Outhaul