100 mm Plain Bearing Block - Halyard, permanent backstay Self-Tacking The BBB25 Single Loop Block

The BBB25 Single Loop Block is a 25mm high load ball bearing block designed for dynamic loads on smaller boats

Mounting: 1x M4

The PBB20 Single Plain Bearing Block is designed for for flag lines and lazy jacks

Max line size: 10 mm

The 70 mm Plain Bearing Block - Double is ideal for heavy and static loads on larger boats

100 mm Plain Bearing Block - Halyard, permanent backstay Self-Tacking The BBB25 Single Loop BlockThe 100mm Plain Bearing Single Backstay Block is designed for up to 4 ton working load and ideal for backstays (permanent backstays) as the top block in a cascade system. The block features a plain bearing with polymer bushing and two axial Delrin thrust bearings to stabilize the sheave when the rope enters or exits the block with an angle. Machined, black anodised aluminium sheave and cheeks. All stainless parts are insulated from aluminium to