This screwdriver is suitable for working use up to 1000V Chrome vanadium steel bar allows for high torque and reduces the chance of tip breakageColour coded ends make it easy to identify the correct screwdriver for each screw typeExtremely tough Polyamide blade insulation sleeve makes it resistant to impact at -25 degrees centigrade and ensures increased abrasion resistance and reduced moisture absorptionHandle moulded direct to bar virtually unbreakable bond. Highly reliable and providing an extra long lifeLarge diameter handle offers great torque needed for driving wood screwsShot blasted tips ensure improved torque and corrosion protectionSmooth domed end for fast spinning action, speed and comfortSoft grip handle - perfect combination of great grip plus reduces fatigueThe Ergonomic handle design offers both a large diameter for increased torque and a small diameter shaft ensuring high speed fastening/unfastening of machine screws.Specifications:Type: 6piece Insulated Slotted Phillips SetSize (Slotted 2.5mm X 50mm, 3.5mm X 75mm, 5.5mm X 150mm. Philips PH1 X 100mm, PH2 X 125 mm. Voltage Tester)