The Britool E160802 Ratcheting Revolver Bit Driver is supplied with a cartridge style bit holder. The screwdriver offers traditional and revolver style ratchets allowing application of extra torque if required through a 2 position handle. Bits Supplied: 2 x 25mm Phillips Bits: PH1, PH2. 2 x 25mm Pozi Bits: PZ1, PZ2. 2 x 25mm Slotted Bits: 4-5mm, 5-6mm.