JMORCO Springs 10pcs/Set 0.3mm 0.4mm 0.5mm Stainless Steel Tension Spring With O Hook Extension Spring(110mm,5MM_0.3MM)

Made of durable matel material.It is not easy to rust and break,and can be used for a long time Both ends of the spring have hook design, can hang holes, such as conveniently connecting pull rope, tension band, Velcro and other holes; can also hang or be cylindrical, such as connecting bolts, metal rods, etc., to cope with a variety of usage scenarios It is ideal for ship,automobile,chemical industry,aviation,railroad,engineering machinery,construction machinery, elevator extension springs The principle of the extended compressed springs is to stretch under the action of external force, and the spring can be restored to its original state after the external force is withdrawn Utilizing the elasticity of the spring to provide cushioning and protection for furniture, strong enough not to worry about injuries caused by spring breakage