40 mm Ball Bearing Block - Single, Swivel, Cam Gennaker Bowsprit please see:

please see:

The RBB60 Double Roller Bearing Block is designed for high load

Ball cages to reduce ball-to-ball friction and weight

Length for stowage: 2530 mm

40 mm Ball Bearing Block - Single, Swivel, Cam Gennaker Bowsprit please see:The BBB40 Single Swivel Cam Block is a 40 mm ball bearing block featuring an integrated 27 mm composite cam cleat for secure line holding and quick adjustments. The cam cleat arm can be set to a variety of angles. It comes with a swiveling shaft and a plastic washer that acts as a swivel lock to fix the shackle at 0 or 90. Stainless steel ball bearings provide smooth operation under medium loads, and glass fiber reinforced cheeks offer strength and