High Quality - Nuts are made of high quality zinc plated carbon. Zinc plated carbon steel is widely used material in hardware, for long service life Safety - Our nuts adopt high quality material, environmental protection and non-toxic. In the process of use, there are no toxic substances to be released Precise threading - The thread of nuts is very precise and clean. It can make your job easier. Our nuts conform to the standardized metric system Wide application - The nuts are ideal for professionals and DIY enthusiasts. The kit is perfect for replacing lost and lost. 5 popular sizes for your choice: M3/M4/M5/M6/M8 Product Description The T-Nut is used to fasten wood, particle or composite materials, leaving a flush surface. It has a long, slender body and a flange at one end, resembling a T in profile. T-nut flanges have pins that dig into a wood work piece while the bolt is tightened on the opposite side of the work piece, providing better retention. Specifications: Materials: Zinc