HARKEN Standard Cam Cleat Mast/Boom Adapter, 438 Hole Sizes_12 mm Big Bullet blocks can be

Big Bullet blocks can be used as main or jib sheet blocks on dinghies

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

The load-sensing ratchet block rolls freely in both directions under low loads

Companions to the popular Harken Black Magic block line

Its durable construction ensures reliable performance in sailing applications

HARKEN Standard Cam Cleat Mast/Boom Adapter, 438 Hole Sizes_12 mm Big Bullet blocks can beThe 438 adapter plate is perfect for mounting on masts and booms, raising the cleat off the spar to improve the cleating angle and control.