Package Include - Include Insert nut x4, Screws x12,Rubber pad x4,each insert nut has 3 holes for fixing screws. Dimension - 5/16’’x36mmx2.5mm,suitable for 5/16’’hanger bolt,meets the standard size of the US. Application - Use with 5/16 inch screw furniture legs,or other supports point on walls. Sturdy and Durable - These T-nuts are made of high quality carbon steel, easy to attach and stay steadily on the wood furniture. Installation - 1.Insert the nut into the 1/2’’ hole and fix it with 3 screws.2.Fasten the hanger bolt into the nut. FURNITURE LEG