Technical features of the BBB 20: -Stainless steel strap to ensure high strength and stiff sides. -Stainless steel ball bearings and glass fibre reinforced sheave. -Composite, 50% Glass fibre & 50% Polyamide. Technical features of the BBB20 Tie On and Cheek block: -50% Glass fibre filled composite cheeks. -Acetal ball bearings for lightweight. -Glass fibre reinforced sheave. Sheave diameter 20mm...more















