High Quality: Double ear fuel hose clamps, consistent sealing pressure, for sealing pipes against loss of liquid, air or gas. Sizes: This ear clamp set has 7 sizes: 5-7mm, 7-9mm, 9-11mm, 11-13mm, 13-15mm, 15-18mm, 17-20mm, 20-23mm. Easy to Install & Reusable: The clamp is placed on the end of the pipe or tube to be connected, protecting the pipe from damage caused by extrusion. High Quality Material: The precision double ear hose clamps are made of iron and the surface is electroplated, easy to use, pressure resistant and corrosion resistant. Widely Used: This double ear clamp fastener is very suitable for industrial, electronic and automotive applications or home use. domestic. Product Description: These fuel hose clamps are the perfect clip for use with silicone or rubber hose for fuel lines, air lines, or any other type of hose that requires clamping. These ear clips are made of a stainless steel band, to be closed at the base of the ear using special pliers. It can continuously pull on the band and cause the band to tighten around the hose. Designed to distribute a constant tension pressure around the hose. The measurement is the diameter of the clip. Perfect for clamping silicone or rubber hoses of fuel, gasoline, etc. on automobiles. Advantages: All burrs/sharp edges are removed to prevent damage to the application. High security, fast assembly, aesthetic/lightweight compact. Consistency of sealing pressure, as effective as metal connections. Features: Material: Iron Surface Finish: Zinc Plating Package Included: 5-7mm 20pcs 7-9mm 20pcs 9-11mm 20pcs 11-13mm 20pcs 13-15mm 20pcs 15-18mm 20pcs 17-20mm 20pcs 20-23mm 20pcs Notes: Please allow 1-2mm error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.