spring hose clamps/idea hose clamp band width: 9mm-12.7mm material: W1,2,3,4, spring hose clamps/idea hose clamp 1.Material:steel,stainless steel,iron2.Usage:pipe clamp3.High quality&competitive price4.Diameter:According to customer's requirements5.Certificate:ISO9001 registered spring hose clamps/idea hose clamp