ABA 22015 Fuel Injection Line Hose Clamps for 3/8" Hose 10pk W4 Stainless Steel Construction Smooth interior band will not cut into hose. Special construction forms a solid 360 degree even seal on hoses. Great for 3/8" (9mm) ID Fuel Hoses - 14.5-16mm Diameter Range Tighten with Philips Screwdriver or 7mm Hex Driver