You are looking at a very useful little 25mm long 33 Pc Cordless Screwdriver bit set. These bits are of hardened Chrome Vanadium manufacture for durability and professional use. They are precision made , portable and compact and of quality manufacture. Ideal for the Workshop, Toolbox, Builders, Joiners DIY, Mechanics and Engineers etc. These bits will fit Hand Drivers, Cordless Drills , Screwdrivers and Power Tools.