Fouer Prong Furniture T Nut Inserts For Wood Zinc Plated M3\/M4\/M5\/M6\/M8\/M12 Specifications: Color: Silver Size: M8x10mm M6x9mm M5x8mm M4x8mm M3x6mm M12x15mm M10x11mm Features: Standard metric coarse threads. Zinc plated prevent rust and durable in use. High wear resistance of product surface. The design of serration can extend the surface between the nut and work piece,non-slip and easy to lock. These nuts are used to provide a threaded socket in wood. Simply tap the nuts into a suitably sized hole and the prongs will hold them in right position. Package Included: 10 x Nuts