【High quality material】The hose clamp is made of metal, electroplating material, high hardness, not easy to deform, corrosion resistant, not easy to rust. [Product Features ] Hexagon socket head screw, the size can be adjusted with a screwdriver as needed, and it is easy to install. Polished smooth edges prevent damage to pipes, perfect for sealing pipes to prevent liquid loss. 【9 Different Sizes】10pcs: 8-10mm, 10pcs: 9-11 mm, 10 pieces: 10-12 mm , 15 pieces: 11-13 mm, 15 pieces: 12-14 mm, 15 pieces: 13-15 mm, 20 pieces: 14-16 mm, 20 pieces: 15-17 mm, 20 pieces: 16-18 mm. Covers all thin to medium diameter tubing. 【Easy to Use】 Simply use a screwdriver (included) to loosen the clamp screw, then put the hose through the clamp, adjust size and tighten according to your pipe size. 【Wide Application】Used for silicone hoses, drain hoses, EGR valves, washing machine drain hoses, fuel hoses, air hoses, wires, cables, hoses, etc. Product Description Product Description: ① The throat hoop is