Features These four pointed T nuts are made of carbon steel and zinc plated to protect them from rust and corrosion. Convenient to use, just insert these nuts into a suitable size hole and the prongs will hold them in place. These nuts are used to provide a sturdy, reliable and easy to assemble threaded socket made of wood and chipboard. There are 5 different sizes of T nuts that you can choose according to your need for different purposes and projects. These four prongs will prevent the T-nut from turning when inserted and tightened into the wooden parts. Description: A T-nut is a type of nut used to secure a wood, particles, or composite workpiece, leaving a flat surface. It has a long, lean body and flanged at one end, similar to a T in profiles. T-nut flanges have prongs that dig into a piece of wood when the bolt is tightened the opposite side of the workpiece, providing better retention. Specifications: Material: galvanized carbon steel Color: Silver Size and quantity (optional): M3 50pcs M 4 50 Pieces M5 50pcs M6 50pcs M8 30pcs Features:These four pointed T-nuts are made of carbon steel and plated with zinc for protection against rust and corrosion. These nuts are used to provide a sturdy, reliable and easy to mount threaded socket made of wood and chipboard. These four prongs will prevent the tee nut from turning when inserted and tightened into the wooden parts. There are 5 different sizes of T-nuts that you can choose as needed for different purposes and designs. Convenient to use, just insert these nuts into a suitable size hole and the prongs will hold them in place. Package includes: 1 set of T-nuts Package List