80 mm Plain Bearing Blocks (PBB 80) – Seldén Mast Inc

Glass fibre reinforced 80 mm sheave with polymer bushing.
Bronze top swivel bushings.
Optimised 8/10 shackle with Ø8 body for good compatibility and Ø10 pin for high bending resistance.
Stainless steel strap for best strength and longer service life.
Stiff glass fibre reinforced composite cheeks to prevent lines from wedging.
Sliding swivel locking mechanism.

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