Large diameter handle offers great torque needed for driving wood screws|Soft grip handle - perfect combination of great grip plus reduces fatigue|Smooth domed end for fast spinning action - speed and comfort|Chrome vanadium steel bar allows for high torque and reduces the chance of tip breakage|Handle moulded direct to bar virtually unbreakable bond. Highly reliable and providing an extra long life|Colour coded ends make it easy to identify the correct screwdriver for each screw type