This is a set of pool cover springs with spring sleeves. The springs are made of stainless steel material, sturdy and strong enough to withstand the bad weather, very durable. The PVC springs covers wrap the spring to protect the spring, and to prevent the spring from scratching your deck, very practical and convenient to use. Features -Color:Black -Material:Stainless steel, PVC -Size:18.00X3.50X3.50cm/7.07X1.38X1.38in - The springs are made of stainless steel material, sturdy and strong enough to withstand the bad weather, very durable. - The springs sleeves wrap the spring to protect the spring, to extend the lifespan of these springs, and to prevent the spring from scratching your deck. - The springs are easy to install, and can be easily removes, and they are stretchable, very practical to use. - The proper size springs are suitable for most swimming pool covers, very practical to use. - Our pool springs are universal replacement parts for most kinds of pool covers, trampolines, machinery, toys, circuit breakers, etc. Package list: 5 × Pool Cover Springs 5 × Pool Cover Spring Sleeves