HI-GRIP worm drive hose clips (also known as worm gear hose clamps) are regarded universally as being the highest quality clip available in the market today. Their tough construction will stand a great deal of abuse. They are manufactured to BS5315 and have BSI Kitemark and N.A.T.O. approvals. The standard version of HI-GRIP is made from heavily zinc plated mild steel and is used for a wide variety of domestic, automotive and industrial applications.