Features Torsion Control zone - Absorbs extreme torque loads to optimise control whilst preventing fastener cam-out, extending the lifetime of your impact bit. Magnetic Precision Tip - CNC machined tips offer a precise fit to prevent stripping and fastener cam-out, magnetised for ultimate control Impact Performance - PTA is uniquely designed for extreme impact and torque applications. This accessory is manufactured from S2 steel, machined and heat treated Magnetic Lobular Head - Subtle cam in-hex design applies driving force to the flat surface of the fastener, preventing damage to its corners and a reduction in potential round-off Magnetic Extreme C-Clip Coupler - Impact rated for high torque applications, driver bit is retained with a magnet and our EXTREME strength C-Clip. Our coupler has been designed so the driver bit will NOT eject free when in use. NOTE: driver bit is NOT removable by hand, pliers will need to be used to remove the bit. For regular bit changes, use the Kincrome Quick Release Coupler Bits 50mm - PH2, HEX5, SQ2, T20 100mm - PH2 x 3, SQ2 x 2, HEX5 x 2, T20 x 2 150mm - PH2 x 3, SQ2 x 2, HEX5 x 2, T20 Accessories 50mm - Magnetic bit coupler extreme 50mm Nutsetter - 1/4", 5/16" 150mm - Magnetic bit coupler extreme