Feature: 1. Shock Absorbing: Our mooring springs serve as effective shock dampeners on your mooring warps, reduce shock loads on both your boat and pontoon. 2. Multipurpose: These boat docking mooring springs are essential in reducing stress cracks around cleat, and be versatilely used even when anchoring. 3. Stainless Steel: Constructed from top grade 316 stainless steel, the damper snubber spring has high resistance against rust, high hardness and rugged. 4. High Safety: Snubber spring can prevent overload, and will not maintain the stretched state when overloaded to avoid damage, with high safety and extended its lifespan. 5. Straightforward Installation: Mooring springs are designed with easy installation process, requires no additional tools, saving both your precious time and energy. Specification: Item Type: Mooring Spring Material: Stainless steel Size: Coil Diameter: 6 mm (1/4 inch); Length: 370 mm (14-9/16 in.) Applicable: For Marine yacht terminal. Package List: 1 x Mooring Spring