VDE stainless steel blade for Kraftform Kompakt handle/change blade system for lightning-fast blade changes without additional tools. Individually tested tool in accordance with IEC 60900. Individually tested at 10,000 V for safe working at the permissible voltage of 1,000 V. All Wera stainless steel tools are vacuum ice-hardened and therefore possess the required hardness and solidity for screwdriving work. Can be used industrially without restriction.