PBB70 - 70mmÌÎÌ_ÌÎ__Plain Bearing Blocks from Selden offer outstanding performance in applications with heavy and static loads, typically used for Halyard turning, mainsheet systems, mast foot or head blocks & boom vang.
Features:
Glass fibre reinforced sheave with Polymer bushing
Bronze top swivel bushings
Optimised 6/8 mm shackle with 6mm body for better compatibility & 8mm pin for greater bending resistance
Stainless steel strap for best strength and longer service life
Stiff glass fibre reinforced cheeks to prevent lines from wedging