The VDE Ergonic screwdriver set is the world's first handle that adapts to the user's hand. Its smooth seamless handle and ergonomic handle shape increase the comfort when working The handle design does not allow the tool to roll off the surface, and the hole in the handle of the product allows you to apply additional force when working. The type of slot is indicated on the top of the handle The impact-resistant core of the screwdriver runs along the entire length of the handle The rod is made of chrome-molybdenum-vanadium steel, hardened in oil along its entire length. The wear resistance exceeds the technical requirements of DIN and ISO by more than 100%.