Selden 70mm Double Block
Glass fibre reinforced sheave with Polymer bushing.
Optimised 6/8 shackle with Ø6 body for good compatibility and Ø8 pin for high bending resistance.
Stainless steel strap for best strength and longer service life.
Stiff glass fibre reinforced cheeks to prevent lines from wedging.
Glass fibre reinforced composite.
Sliding swivel locking mechanism.