Allen Dynamic 40mm Single and Swivel Badge_New Flip flop blocks are designed

Flip flop blocks are designed to pivot around a central fixing point

Large expandable storage pocket with attachment point

Breaking Load  750 kg Length 43 mm Maximum Line Diameter 2-5 mm Shackle Pin 5 mm Sheave Diameter 25 mm Weight 31 g

resulting in an easier to use cam cleat

Close fitting PU neck seal with zip entry and velcro adjustment

Allen Dynamic 40mm Single and Swivel Badge_New Flip flop blocks are designedMade from high strength, lightweight glass loaded nylon and featuring Allens dynamic bearing technology for a high performance block suitable for keelboats and dinghies. 40mm dynamic blocks are perfect for use on main, jib and spinnaker sheets on dinghies and keelboat control lines. Bearings Dynamic blocks feature our patented bearing system which uses twin rows of stainless steel ball bearings running on a stainless steel rail. The ball bearings are