812/1 Bitholding screwdriver with strong permanent magnet, 1/4", x 120 mmHigh quality bit holder with strong, permanent magnet that holds the bits absolutely securely. Kraftform handle for pleasant, ergonomic working. Kraftform Plus: Hard gripping zones for high working speeds whereas soft zones ensure high torque transfer. Suitable for bits with hexagon head drive as per DIN ISO 1173-C 6.3.