A Must-Have Kit: These four-pronged T-nuts are perfect for professionals, hobbyists, homeowners, DIY enthusiasts, woodworking, construction, plumbing, air conditioning, and so on. They also work well for 3D printing projects. It is also used on sheet metal and wood. Assorted Designs: 5 types of four-pronged T-nuts are available to meet your needs, including M3 20pcs, M4 20pcs, M5 20pcs, M3 20pcs, M6 15pcs, and M8 15pcs. Premium Quality: The thread of our nuts is sharp, clean, and precise. It matches the standardized metric system, which will not deform or slip in the rolling process, allowing customers to maintain a long and trouble-free experience. Easy to Sort: These four-pronged T-nuts are stored in a transparent box with 5 grids, easy to classify and use. You will not be bothered by sorting! Abundant Quantity: Totally 80 pieces of four-pronged T-nuts in one pack offer you economical replacements for a wide range of applications. Color: Silver (Due to the display, there may be color difference) Package Content: 90 Pieces