Wera Kraftform Plus 162 i PH VDE Phillips #4 Insulated Screwdriver is designed for the Professional user. Each screwdriver is put through vigorous testing in a water bath at 10,000 volts to guarantee safe working standards of 1,000 Volts. All Wera hand tools feature the trademarked ergonomic Kraftform handle, with hard and soft zones, that fits the shape to the hand for the ultimate in comfort and high-speed torque transfer. Handle marking on top of handle includes screw symbol and size of tip to easily find the right screwdriver in your toolbox or workplace. Anti-roll protection at base of handle stops screwdrivers from rolling away at workplace. Limited Life Time Warranty. Screwdriver dimensions: PH4 x 8” shaft length, 4-27/64” handle length. Wera – The Best Tools For The Job!