Nice Variety of Sizes and Organized in Its Own Storage Bin
Come with a sturdy convenient case and there are 570 pcs different types of screws. It includes 285pcs flat head and 285pcs round head, both of them contains M3/M4/M5/M6 specifications and different lengths. So, when you want to use a certain screw, you don't have to waste time buying it separately, because they are at your hand.
285pcs Flat head self tapping screws:
55Pcs M3x20mm,50Pcs M4x12mm,40Pcs M4x20mm,40Pcs M4x25mm.
30Pcs M4x40mm,30Pcs M5x20mm,20Pcs M5x25mm,20Pcs M5x40mm.
285pcs Round head self tapping screws:
65Pcs M3x20mm,50Pcs M3x25mm,40Pcs M4x20mm,40Pcs M4x25mm.
30Pcs M4x40mm,30Pcs M5x25mm,20Pcs M5x40mm,10Pcs M6x50mm.