High Quality: These hex nuts are made of carbon steel and zinc plated for strength and good corrosion resistance in many environments. Wide Application: Suitable for professionals, hobbyists, homeowners, do-it-yourselfers, men, women, carpentry, construction, plumbing, and household furniture fixings, etc. accessory in your furniture fixing project. Features: These four point t-nuts are made of carbon steel and zinc plated for rust and corrosion protection. These nuts are used to provide a strong and reliable threaded base that is easy to install on wood and particle board. These four prongs will prevent the T-nut from turning when inserting and securing to wooden workpieces. Convenient to use, just touch these nuts into a hole of the right size and the dowels will hold them in place. Budget: Material: Carbon steel with zinc coating. Color: silver. Dimensions and quantity: M3 30 pieces Box contents: 1 set of T-nuts.