MOORING SPRINGERS / SHOCK ABSORBERS These heavy duty rubber mooring springers are ideal to reduce jarring and cushion your boats shock load. Simply weave your mooring rope through all the holes in the mooring spring making sure that the rope enters and exits the spring via the scalloped cut-outs on either end of the spring.For larger boats the springs can be banked two to three in-line to increase the elasticity of the mooring line. Supplied hang packed with full instructions for use.The maximum load is approximately equal to the breaking strain of your mooring rope.330mm x 50mmSuits rope size 12 - 18mm.This spring extends the line lengthnapprox 200mm at 100 Kg load.