Color: 120pcs M4-m10 Hex Socket Screw Kits Product Description This Hex Socket Assortment contains 7 different types of nuts which are separated and stored in one ; tui. You will quickly find the right size. An insert nut provides a threaded sleeve for a wooden workpiece. similar & agrave; a wall anchor. These nuts are inserted into a pre-drilled hole. by screw, in this case the external projections bite into the wood, preventing the nut from turning over. Excellent for furniture. Assembly and carpentry. Material: zinc alloy. Dimensions: M4 x 10, M5 x 10, M6 x 10, M6 x 15, M8 x 15, M8 x 20, M10 x 25. Quantity: 120 items in total. Package includes: 30 M4 x 10 hex screws 30 M5 x 10 hex screws 20 M6 x 10 hex screws 15 M6 x 15 hex screws 10 M8 x 15 hex screws 10 M8 x 20 hex screws 5 screws hexagonal M10 x 25.