3-component handle of the ERGONIC provides perfect ergonomics, torque transmission and work comfort - component 1 (hard): Handle core made of impact-resistant hard plastic - component 2 (hard): resistant elastic grip body - component 3 (soft): pads made of highly flexible plastic Handle with anti-roll handle design and cross hole Drive symbol printed on cap Seamless cap for minimal friction perfect transmission of torque Blade of chrome-molybdenum-vanadium steel, Black Tip for precise fit Surface: isolated up to 1000 V AC 1000 V, IEC 60900 : 2012 The slim isolation is up to 50% slimmer than on conventional VDE-screwdrivers For slotted screws patent, U.S. patent N° 7.877.843 Made in Germany