Welcome to our store! 1. These hose clamps are made of iron with a zinc-plated surface. 2. The double-wire design of these screw clamps provides excellent clamping force. 3. The smooth edges of the round wire are safe for hands and hoses. 4. The double-wire construction is stronger and suitable for long-term use. 5. Easy to use: simply loosen and tighten the screw to adjust the clamp diameter. Features: These hose clamps are made of iron and the surface is zinc-coated. The double-wire screw clamps are very useful and provide great clamping force. The smooth edges of the round wire are harmless to hands or hoses. The double iron wire is stronger and can be used for long-term fixing. Convenient to use, simply loosen and tighten the screw to span>adjust the clamp diameter. Specifications: Material: Iron Surface Treatment: Galvanized Color: As pictured Adjustment Range: 3-4 mm/0.12-0.16 inches Size: 13 mm-16 mm, 16 mm-19 mm, 21 mm-25 mm, 25 mm-29 mm, 28 mm-32 mm, 46 mm-51 mm, 52 mm-57 mm, 59 mm-64 mm, 71 mm-76 mm, 94 mm-100 mm (optional) p> Quantity: 10 pieces Package includes: 10 hose clamps Customers are our priority. If you find any problems with your product after receiving it, such as damage or an incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.