1. Made of 304 stainless steel, anti-corrosion.2. Typical use field: the hose of the car, home appliance line, machinery equipment.3. 5 kinds of hose clamps, packed in a clear plastic box, easy to install and store.4. Salt resistant, anti rust, anti-corrosion, waterproof, oil-proof. Clamps are sturdy, strong and reliable.5. Specification:Bandwidth: 12mmDiameter of Screw: 6mmThickness: 0.6mmThickness of Rubber: 4mm6. Quantity: 47PCS7. Packaged:1/4 inch (diameter 6) x 22 PCS5/16 inch (diameter 8) x 9 PCS3/8 inch (diameter 10) x 7 PCS1/2 inch (diameter 13) x 5 PCS5/8 inch (diameter 16) x 4 PCS