400 Series Ergonics - The first handle that adapts to the user's hand. Torque exceeds DIN and ISO standards by up to 100%. Perfectly smooth, seamless handle end for maximum comfort. Achieves a perfect connection between the screwdriver handle and the hand, resulting in less work. Cross hole for suspension or lever attachment. The asymmetric shape of the handle collar prevents the tool from rolling away uncontrollably. The blade is made of chrome molybdenum vanadium steel. Inside the handle is a core of high-quality plastic. Impact full-length plastic. Extremely precisely manufactured black tip. There is a screwdriver tip symbol at the end of the handle. GS-tested safety.