Flip flop blocks are designed to pivot around a central fixing point, this keeps the rope on your sailing dinghy close to the deck, mast or boom whilst still allowing the block to articulate to the correct lead angle. Ensuring friction stays as low as possible whilst still guiding the rope to where it needs to go.
Allen provides a range of fittings in sheave sizes of 20mm, 30mm, and 40mm, available with or without cam cleats.
Breaking Load - The load at which a major failure is likely to occur.
Working Load - Based on the maximum working load of the cam cleat.