1.Screw classification box: 2X6mm / 2X8mm / 2X10mm / 2.5X6mm / 2.5X8mm / 2.5X10mm, each 200PCS, a total of 6 kinds of 1200PCS. Color: gold, material: iron.The screws are very small, in millimeters, please purchase carefully (1mm = 0.0393701 inch)^2.A wide variety of screws and nails to meet your needs, for many woodworkers^3.With heavy traction, simple structure, easy to operate, collision resistant and so on applicable to all kinds of fixed installation hardware accessories, Screw electronic accessories^4.These screws are small and can be used in a fancy box or dollhouse. When you want to give gifts to children or friends, you can use them for crafts. One of the must have tools for the family, you can store screws and nails at home, in case you need them.^