This product is a wing nut, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an excellent wing nut that can bring you more convenience, allowing you to have a more comfortable experience. Features -Color:Silver -Material:Carbon steel -Size:2.80X2.80X1.00cm/1.10X1.10X0.39in Inner diameter: 5/16 inch Teeth per inch: 18 - Made of high grade carbon steel material, durable, not easy to rust and corrode. - Small size, simple and convenient installation. Smooth surface, easy to use fingers, no pointed edges, no burrs. - Widely used for indoor and outdoor applications, repair and install various items around the home. - Easy to install and can meet the requirements of daily use without other tools. - Enough quantity for you to use for a long time, satisfying your long term use requirements. Packing list20 x wing nuts