KTC DB4, Interchangeable Screwdriver Set

●One bit supports two sizes (cross No. 2 x 3, minus tip width 4 x 6). One-touch specification, just insert and remove. ●Uses a non-slip soft grip. ● The shaft is a hexagonal shaft (width across the shaft: 6.3mm). Comes with a bolster (hexagonal width across flats 12mm), so it can be tightened with a spanner, etc. Commercially available driver bits can also be used. (The width across the shaft is 6.3 mm and the total length is 65 mm or more.) ●A cross bit ( DB4-P ), a slotted bit ( DB4-M ), and a handle ( DB4-H ) are available as spare parts.