Item Type: Countersunk Hex Socket Screws Material: Pure copper Screw Head Diameter: Approx. 10mm / 0.4in Screw Head Thickness: Approx. 4mm / 0.2in Package List 50 x Screws 1The standard head of the screw is evenly stressed and the tightening effect is good. 2Screws have deep threads, uniform pitch, clear texture and high occlusion. 3Made of pure copper, it is not easy to corrode and moisture, and the surface is smoothly and not easy to oxidize. 4A large number, can meet your use and replacement needs, very practically. 5Small size, easy to carry and store, convenient to use and with good performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store