HARKEN Standard Cam Cleat Mast/Boom Adapter, 438 Hole Sizes_12 mm Low-friction Micro blocks are compact

Low-friction Micro blocks are compact and lightweight

Companions to the popular Harken Black Magic block line

RaceLube uses HD22 to provide the ideal viscosity to protect aluminum and stainless steel components and allow quick engagement and smooth operation

The sideplates are UV-stabilized

5") and 51 mm (2") wire blocks feature sideload balls between the sheave and the side plate to minimize friction from unfair leads

HARKEN Standard Cam Cleat Mast/Boom Adapter, 438 Hole Sizes_12 mm Low-friction Micro blocks are compactThe 438 adapter plate is perfect for mounting on masts and booms, raising the cleat off the spar to improve the cleating angle and control.