... 3) Galvanized iron/stainless steel 4) Size:17-252mm 5) High Torque Usages:Mainly used in automobiles, tractors, ships, gasoline engine, and ... Smooth inside band to protect hose surface from damage.4. High mounting forceMaterial TypeMaterialcorrosion resistanceW1All Galvanized Steel, Zinc platedOrdinaryW2Bolt made of ... *2811.5Above are usual sizes. All sizes are available High torque unitary hose clamp