57mm Harken Carbo Ratchet Triple, Swivel, 150 Cam-Matic, Becket

The Harken 57 mm Carbo ratchet triple block with swivel, 150 Cam-Matic cleat and becket is a lower block for powerful mainsheet purchases. The switchable ratchet turns on and off precisely, letting you hold the loaded sheet by hand and ease it under control.

Features

• Switchable ratchet
• Machined, hardcoat-anodised sheaves with eight flats for a secure grip
• Nylon resin sideplates with densely layered long glass fibres
• Bearings, sheaves and sideplates blackened
• Swivel, 150 Cam-Matic cleat and becket

Specifications

• Sheave diameter: 57 mm
• Length: 125 mm
• Weight: 445 g
• Max. line diameter: 10 mm
• Shackle pin diameter: 6 mm
• Maximum working load: 816 kp
• Breaking load: 2041 kp
• Holding power: 10:1

Applications

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

Harken's tip: combine the switchable ratchet in the cockpit with a Ratchamatic® on the boom above for double holding power in a breeze and a free-running sheet in light air.