High Materials: These hose clamps are made of iron and the surface is plated with zinc. Superb Design:Double wire designed screw clamps are very useful and provide great clamping force.Double iron wire are more strongers and can be used for long time fastening. Convenient to Use:Simply release and tighten the screw to adjust the clamp diameter.The smooth edges of the round wire are harmless to hands or hoses. Scenarios:Prevent hose extrusion with the hose clamp. Steel wire band is more strongers for long time fastening use, Ideal for industrial or home use, help to lessen pressure and protect the hose. Guarantee:If you have any issue with our Product, please feel free to contact us with your JENNGAOO product, get in touch with us for a replacement or refund. We will provide friendly, easy to reach support., Weight: 0.1763698096 pounds, Manufacturer: Jenngaoo