Material - The double snap grip hose clamps with Plastic materials, with good performance in heatproof and cold-resistant, able to work on -20~105; Anti aging, corrosion resistance, weak acid, and alkali resistance.Easy to Install and Reusable - The hose clamps have a double grip of teeth, so it is easy to install and replace. Just clamp it to the end of the hose, determine the installation location, and then engage the teeth by hand or tools.Double Teeth Grip Design - These hose clamps with double teeth grip design, which provides a more size range, and stronger grip, and the tool can be installed very firmly. Adjustable ratcheting opening, suitable for selecting clamps according to the diameter of the pipe.Design for Your House - Pipe clamps are suitable for reinforcing house pipes, strengthening the connection of pipe openings, making your space cleaner and safer, and can be quickly installed and replaced.Specifications:Material: PlasticColor: BlackInner Diameter: 23-24.8 mm/ 0.91-0.98 Inches Package Contents:20 Pcs x Hose Clamps