1、Shock Absorbing: The mooring spring acts as powerful shock absorbers on mooring warps, reduce shock loads on both your boat and pontoon. 2、Anti Cracking: Sometimes called mooring snubbers, these springs help to reduce stress cracking around cleats and can also be used when anchoring. 3、Deck Protection: The extra spring provides protection for deck fittings from the effects of violent snatching and impact. 4、Long Service Life: Spring buffer is made of high‑strength 304 stainless steel, which effectively prevents oxidation and can maximize product life. 5、Multifunctional: This tightener spring can also be used as a spring fastener for chains, sandbags, hammocks, ropes, standing chairs, parasol springs, camping beach tents.