Clamps assortment kit contains more different sizes. Iron material is not easy to bend and rust. Clamps are used in securing hose , cable, tubes, fuel lines etc. Wide use both indoor or outdoor, apply in automotive, industrial, boat/marine etc. Loosen the screw of hose clips. Thread the through the hose clamp and adjust the size to fit your hose's size. Tighten the screw at last. Features - Color: Assorted color. - Material: Iron. - Size: 19.50X13.00X3.50cm/7.66X5.11X1.38 inch. - Very useful for steel wire reinforced and provides great clamping force. - Perfect for rubber and PVC hoses, with spiral wire dust collection systems, industrial vacuum cleaners or even pool pump hoses. - Delivers a heavy duty, leak proof and hose clamping tool constructed out of premium grade iron built for durability. - Ring hose clamps designed to provide a secure and flexible option for connecting to dust hoods and other dust collection fittings. - It is manufactured with professional technology to ensure the of the product and can work for a long time. . Package list: 42 x Hose Clamps