3 piece PZ2 89mm and 152mm Bits plus a Magnetic Booster with a reusable Pouch. SabreCut Revolution professional quality PoziDriv (PZ2) screwdriver bits specially designed for use with drill drivers, bits have forged tips for greater impact resistance and a longer lifetime. Tough heat-treated bits for improved durability and torsion zone for reduced breakage. The SabreCut Bit Booster offers outstanding hold, reach, stability and accessibility in all screw-driving applications, even the most awkward to reach, thanks to its dual magnets. Unlike other magnetic screw holders, the Bit Booster has been designed so that it is placed away from the bit and the fastener, which means there is less chance of breakage during the most demanding of applications.