Aluminum hose finishers design to Hex, better work with the wrench and looks more fashion and tidy appearance to your hoses with easy installation of a hose clamp and are available in many sizes: 4AN, 5AN, 6AN, 7AN, 8AN, 10AN, 12AN,14AN, 16AN, 20AN, 24AN, 28AN, 30AN, 32AN. Double anodized and hand polished finish adds the final touch of quality and protection for hose finisher. High quality stainless steel. The hose finisher clamp (including the band and screw) are all made of premium 304 stainless steel material. Fuel line clamp feature: anti-rust, anti-corrosion, waterproof, oil-proof. Pipe clamps are sturdy, strong and reliable. You can choose black, red or blue for the project.