Large diameter handle offers great torque needed for driving wood screws. Soft grip handle gives the perfect combination of great grip and 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 with virtually unbreakable bond. Highly reliable, providing an extra long life. Suitable for 1/4" Hexagonal bits.