Selden 40 mm Plain Bearing Block - Single, Swivel, Becket

The PBB40 Single Becket Swivel Block is a 40mm plain bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position.

Suitable for heavy and static loads in halyard tuning, mainsheet systems and boom vang. 

Polymer sheave and stiff glass fibre reinforced cheeks to prevent the line from jamming.

Safe working Load: 350 kg
Breaking Load: 700 kg
Max line size: 8 mm