Bit holder with screw depth adjustment For work with depth limitation Product advantageBit holder with screw depth adjustment and magnetic bit holder and profile grip sleeveHex-¼" drive (shank ISO 1173 – E 6.3) for good grip in the drill chuckHex-¼" holder for quick tool changeTechnical data Centering collar insert screwdriver: 6.35 mm (¼ inch) hex centering collar Shank design: Hex shank Other product specifications: With magnet and depth stop