Features： 1、Premium Material: This mooring spring is made of marine grade 304 stainless steel, it features durability in the sea water and saltwater environment. 2、Shock Absorption: This mooring spring acts as powerful shock absorbers on the mooring warp, reducing the impact load on your boat. 3、Fixed Function: These springs, sometimes called mooring buffers, help reduce stress cracking around the cleats and can also be used when anchoring. 4、Simple Operation: Mooring springs can be used with ropes. It is recommended that these springs be placed in a straight line, rather than actually cutting the rope, which means that the chain can withstand stress if the spring fails. 5、Wide Use: This spring is also a sandbag, hammock, rope, C shaped standing chair, sun shade spring, tightener tightening spring for tarps, tents, and boat mute mooring spring. Specification： Item Type: Mooring Spring Material: Stainless Steel, Rubber Application: Designed to protect your vessel and accessories from shock and pressure while at anchor. Package List： 1 x Mooring Spring