813 Bitholding screwdriver, 1/4", x 78 mmPremium bitholding screwdriver. Kraftform Plus handle for comfortable ergonomic screwdriving, avoiding blisters and calluses. Hard handle zones for high working speeds, while soft handle zones guarantee a high torque transfer. Suitable for bits with 1/4", external hexagon drive as per DIN ISO 1173-C 6.3.