Features: These four-pronged T nuts are made from zinc-plated carbon steel for rust and corrosion protection.These nuts are used to provide a strong, reliable and easy to fit threaded socket in wood and chipboard.These four prongs will stop the T nut from turning when they are inserted and tightened into wood pieces.There are 5 different sizes of T nuts that you can choose as need for different purposes and projects.Convenient to use, simply tap these nuts into a suitably sized hole and the prongs will hold them in position.Specification: Material: Zinc-plated Carbon SteelColor: SilverQuantity:10pcs * M810pcs * M620pcs * M420pcs * M320pcs * M5Weight: 144gType: DIY MaterialsPackage List:1 * Box of Four-Pronged T Nuts