57mm Harken Carbo Ratchet Block, Swivel

The Harken 57 mm Carbo ratchet block with swivel lets you hold a loaded sheet by hand and ease it under control. Easy-to-reach switches on both sides of the block turn the ratchet on and off precisely. At 85 g the block is very light.

Features

• Switchable ratchet with switches on both sides
• Machined, hardcoat-anodised sheave with eight flats for a secure grip
• Nylon resin sideplates with densely layered long glass fibres
• Bearings, sheave and sideplates blackened
• Swivel head

Specifications

• Sheave diameter: 57 mm
• Length: 103 mm
• Weight: 85 g
• Max. line diameter: 10 mm
• Shackle pin diameter: 5 mm
• Maximum working load: 227 kp
• Breaking load: 907 kp

Applications

• Main, jib and spinnaker sheets
• Mainsheet fine tune
• Traveller controls
• Genoa lead
• Spinnaker pole downhaul