Reduced blade diameter with integrated protective insulation, low-lying screw and spring elements can be easily reached and operated. Kraftform Plus handle for comfortable ergonomic screwdriving, which avoids blisters and calluses. Hard handle zones for high working speeds, while soft handle zones guarantee a high torque transfer. "Take it easy" tool finder with color coding by profile and size stamping for quick and easy identification of the required tool. Anti-roll protection avoids bits from rolling away annoyingly at the workplace.