This wera kraftform plus vde screwdriver set features insulated screwdrivers that have been approved for work being carried out around voltages of up to 1000v ac or 1500v dc and meet the international standards iec 609002004 or din en60900 the insulated ergonomic kraftform handle fits comfortably in the hand with special hard and soft zones to provide better turning power with less effort and making repeated turning easier each screwdriver is marked on the end of the handle for quick identificat