40mm Harken Carbo Ratchet Block, Swivel

The Harken 40 mm Carbo ratchet block with swivel lets you hold a loaded sheet by hand while still easing it under control. Harken describes its 40 mm ratchets as ideal for jib and spinnaker sheets where low weight and small size are critical.

Features

• Machined, hardcoat-anodised sheave with eight flats for a secure grip
• Nylon resin sideplates with densely layered long glass fibres – compact with a high strength-to-weight ratio
• Bearings, sheave and sideplates blackened
• Swivel head

Specifications

• Sheave diameter: 40 mm
• Length: 86 mm
• Weight: 49 g
• Max. line diameter: 10 mm
• Shackle pin diameter: 4 mm
• Maximum working load: 136 kp
• Breaking load: 454 kp

Applications

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