1. Made of 304 stainless steel, corrosion-resistant. 2. Typical application areas: automotive hoses, home appliance production lines, machinery and equipment. 3. 6 kinds of hose clamps, packed in a transparent plastic box, easy to install and store. 4. Salt-resistant, rust-proof, anti-corrosion, waterproof and oil-proof. The clamp is strong, sturdy and reliable. 5. Specifications: Bandwidth: 12mm Screw diameter: 6mm Steel sheet thickness: 0.6 mm Rubber thickness: 4mm 6. Quantity: 52PCS 7. Packing: 1/4 inch (diameter 6) x 12 PCS 5/16 inch (diameter 8) x 10 PCS 3/8 inch (diameter 10) x 10 PCS 1/2 inch (diameter 13) x 8 PCS 5/8 inch (diameter 16) x 8 PCS 3/4 inch (diameter 19) x 4 PCS