High Quality - Nuts are made of high quality zinc plated carbon steel. Zinc plated carbon steel is a material widely used in hardware, for long 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 threading of nuts is very precise and clean. It can make your job easier. Our nuts conform to the standardized metric system Wide Application - Nuts are ideal for both professionals and DIY enthusiasts. The kit is perfect for replacing losses and lost. 5 popular sizes for your choice: M3/M4/M5/M6/M8NOTE: The products contain small parts, never let children play to avoid accidental swallowing. Package Content: 50pcs /30pcs x Nuts 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