Ramair Hose Clamps (10 pack)RAMAIR W2 hose clamps are the ideal hose clamp for automotive applications. The burr free Convex band edges provide a smooth seal around soft hoses (e. g. Silicone hose) and prevent splitting of the hose, this along with the high clamping force and low tightening torque make these clips a dream to use. These clips are a manufactured using DIN en 10088 2 or equivalent stainless steel for the housing and band with the screw made from zinc plated steel.