PERFECT PACKAGING 11 sizes: M4*8, M4*10, M5*10, M6*8, M6*10, M6*13, M6*15, M8*15, M8*20, M10*15, M10*25. Different sizes can meet your different needs. HIGH QUALITY Made of galvanized carbon steel, with excellent rust resistance and durability. The precision thread is inserted precisely into the threaded insert to prevent loosening. DESIGN Thread surface of nut is smooth without burrs and the screw sleeve can be screwed quickly. Precise external threading and beveled internal hex head so that the clamp nut is correctly placed and firmly installed. Easy to install just drill the appropriate size hole and install with a hex wrench, tapered external threads make it hard to fall off due to vibration. VARIOUS USES Suitable for soft woods such as pine wood, plywood, fiberboard, etc. It has a good effect in furniture combination. Size:230 pcs ： This hex socket set contains 11 different kinds nuts which are separated and stored in a You will quickly find the appropriate size. An insert nut provides a threaded socket for a wooden workpiece. similar to a wall anchor. These nuts are inserted into a screw pre-drilled hole, in this case the outer protrusions bite into the wood, preventing the nut from backing out. Excellent for furniture. Assembly and carpentry. Material: zinc alloy. Quantity: 230 elements in total. Package Include: 30pcs M4*8 Hex Screws 60pcs M4*10 Hex Screws 45pcs M5*10 Hex Screws< /p> 18pcs M6*8 hex screws 32pcs M6*10 hex screws 13pcs M6*13 hex screws 12pcs M6* hex screws 15 10pcs M8*10 Hex Screws 5pcs M8*20 Hex Screws 3pcs M10*15 Hex Screws 2pcs Hex Screws M10*25