Shock 18 mm Shock-Absorbing Mooring Line | 4Boats18 mm shock absorbing mooring line designed to reduce peak loads from wind and waves, with a pre formed loop for fast attachment. Polyester with rubber filaments for controlled elasticity Reduces transfer of sudden loads from wind and waves Pre formed loop for fast, secure attachment 18 mm (0. 71 in) diameter suitable for small to medium craft Suitable for docking and anchoring Rinse in fresh water after use; store dry away from direct sunlight