30 mm Ball Bearing Block - Single, Swivel PBB50 The becket shaft is ø16

The becket shaft is ø16 mm and detachable to fit a spliced line

Mounting: 3XM8 screws

The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave

This is a 22 mm wide and 4000 mm long pin stop track with holes for M5 fasteners

The 60 mm Fiddle Becket Plain Bearing Block is designed for 4:1 tackles on medium-sized boats

30 mm Ball Bearing Block - Single, Swivel PBB50 The becket shaft is ø16The BBB30 Single Swivel Block is a 30mm ball 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. The block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball to ball friction and to reduce weight. The center hole can be used as