Harken 40mm Carbo Cheek Block Tracking_Boardfy you'll have superior optical clarity

you'll have superior optical clarity and glare-free vision

This articulation makes guiding the ball into the Keyball socket as easy as possible as well as allowing easy release

Pin Diameter: 7

Pin Diameter: 8mm for a secure and stable connection

this boot is suitable sailing all year round

Harken 40mm Carbo Cheek Block Tracking_Boardfy you'll have superior optical clarityLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave 40 mm Length 70 mm Weight 34 g Maximum Line 10 mm Maximum Working Load 220 kg Breaking Load 735 kg