An industrial grade - 1000V a.c. insulation - Tested to EN60900:2004 meaning that that this screwdriver is suitable for live working use up to 1000V a.c|Chrome vanadium steel bar allows for high torque and reduces the chance of tip breakage|Colour coded ends make it easy to identify the correct screwdriver for each screw type|Extremely tough Polyamide blade insulation sleeve makes it resistant to impact at -25 degrees centigrade and ensures increased abrasion resistance and reduced moisture absorption|Individually tested to 10,000 volts|Large diameter handle offers great torque needed for driving wood screws|Shot blasted tips ensure improved torque and corrosion protection|Smooth domed end for fast spinning action – speed and comfort|Soft grip handle – perfect combination of great grip plus reduces fatigue|The Ergonomic handle design offers both a large diameter for increased torque and a small diameter shaft ensuring high speed fastening/unfastening of machine screws - The soft touch grip ensures increased grip and comfort