Draper Coloured Screwdriver Bit Set With Magnetic Holder (60 piece)25mm and 50mm 1/4" bits manufactured from hardened and tempered, S2 steel, which is applied with a satin chrome finish. Each screwdriver bit is attached with a plastic coloured ring for easy identification. The bit holder has a quick release collet, which allows bits to be expelled quickly and efficiently. Supplied in a heavy-duty storage case with plastic inlay to hold bits securely.PRODUCT DIMENSION:Height (mm) :321Width (mm) :204Depth (mm) :45