Package includes 12 screwdriver bits: PH1, PH2, PH3 and PZ1, PZ2, PZ3, two pieces of each (2 x PH1, 2 x PH2, 2 x PH3, 2 x PZ1, 2 x PZ2, 2 x PZ3). Overall length 50 mm (2 inches). Materials and construction - S2 alloy steel with CNC machined tips - Hardened core to increase bit strength and reduce fracture - Manganese phosphate surface to prevent rust Magnetic pick up and holding - Strengthened magnetic impact bit helps pick up and hold screws easily - Reduces slipping and stripping - Magnetism remains durable after multiple uses - Safe for screws and screwdriver head, with no damage High torsion design - Torsion region absorbs peak torque from impact drivers - Helps prevent bit fracture under high torque - Extends service life Compatibility and specifications - Includes both Phillips and Pozidriv profiles - PH1, PH2, PH3; PZ1, PZ2, PZ3 - Each size available in two pieces; total 12 bits - Length: 50 mm (2 inches) Use scenarios - Assembling flat-pack furniture or cabinets where PH and PZ screws are common - Installing hardware on appliances or securing electrical/cabinetry fixtures - General maintenance and repair tasks around home or workshop, including light equipment and bicycle components that use Phillips or Pozidriv screws Notes - Precision machined for reliable engagement with corresponding screws - Optimized for use with impact drivers to improve efficiency and longevity of both bits and screws