Mooring spring designed to assure the maximum comfort during the permanence in the harbor. Nereide combines lightness, small size and high resistance, which enables it to absorb even the most violent jerks in a progressive and smooth way. A supreme high-quality boat mooring shock absorber, resistant to UV radiations, non toxic and environmentally friendly. Nereide does not produce annoying squeaks. It is stain proof, does not scratch the hull and does not deteriorate in the marine environment, even if left for long periods in the water.