Bit ratchet. Simple direction change (left, right, and fixed) by a short rotation of the switch ring. Ergonomically shaped, slip-resistant 2-component handle for optimal power transfer. Storage compartment in the handle end for 6 bits; opens at the push of a button. For BIT screwdriver inserts with external hexagon 1/4 DIN 3126/ISO 1173 Form C 6.3. 1/4 socket inserts can be used with connector part No. 3115/1 (external hexagon and external square 1/4). Easy bit change through internal hexagon with magnet. Knurled quick-turn zone for fast pre-turning of screws. High-load mechanism with 48 teeth (7.5° working angle).