Fit for: Suitable for automotive, industrial, and home repair applications. Specifications: Product Material: Metal Sizes: Clamp 1 - up to 3/8" (10 mm) Clamp 2 - up to 1/2" (15 mm) Clamp 3 - up to 1" (25 mm) Clamp 4 - up to 1-3/4" (45 mm) Features: *Versatile Application Suitable for automotive, industrial, and home repair applications. Ideal for clamping fuel lines, vacuum lines, transmission lines, brake lines, and heater pipes. *Quick and Easy Operation .