30 mm Ball Bearing Block - Single, Stand-Up, Eyestrap Optimist The 50 mm Plain Bearing

The 50 mm Plain Bearing Block - Cheek is designed for medium-sized boats to guide lines on deck

making this block ideal for leading line over deck on keelboats

30 mm x 3500 mm long pin stop track with holes for M6 fasteners

The RBB60 Cheek Block with Becket and M8 mount is designed for fixed installations in high-load

the winch can be used for other purposes

30 mm Ball Bearing Block - Single, Stand-Up, Eyestrap Optimist The 50 mm Plain BearingThe BBB30 Single Stand Up Block is a 30mm ball bearing block designed for medium sized boats or trim lines. It features stainless steel ball bearings for high strength under dynamic loads, with a glass fiber reinforced composite construction for durability. Acetal bearing cage to prevent ball to ball friction and to reduce weight. Easy to install on deck with included hardware. Ideal for moderate and dynamic loads with low friction rotation.