Screwdriver & Drill Bit Set designed with a combination of the SHOCK ZONE design and special heat treatment to absorb impacts and allows the bits to flex with spring-like action The Milwaukee 4932472059 Screwdriver and Bit Set is designed for use with Impact Drivers. The SHOCKWAVE IMPACT DUTY accessory line is not only ideal for heavy-duty impact applications but also delivers a full system solution for all the user\'s drilling and fastening needs. Laser hardened WEAR GUARD TIP for improved wear resistance and protection of the fit over the life of the bit. Features: SHOCK ZONE Geometry - designed to flex SHOCK ZONE reduces stress at the tip resulting in less tip breakages.  The combination of the SHOCK ZONE design and special heat treatment absorbs impacts and allows the bit to flex with spring-like action Custom engineered steel - Milwaukee custom metal formula makes the SHOCKWAVE bits more resistant to shock from impacting Contains: 2 x SHOCKWAVE magnetic nut drivers: 48mm length: 1 x Hex 8mm - 1 x Hex 10mm 2 x SHOCKWAVE magnetic bit holders: 1 x 60mm length, 1 x 152mm length SHOCKWAVE screwdriving bits:  (24 x 25mm length) 1 x PH1 - 1 x PH2 - 1 x PZ1 - 3 x PZ2 - 2 x TX10 - 2 x TX15 - 3 x TX20 - 2 x TX25 - 2 x TX30 - 1 x TX40 - 1 x TX50 - 1 x Hex 4mm - 1 x Hex 5 mm - 1 x SL 0.6 x 4.5 - 1 x SL 0.8 x 5.5 - 1 x SL 1.2 x 6.5.  (8 x 50mm length) 1 x PH2 - 1 x PZ1 - 1 x PZ2 - 1 x TX10 - 1 x TX15 - 1 x TX20 - 1 x TX25 - 1 x TX30 3 x SHOCKWAVE ¼″ Hex drill bits: ⌀ 3 - 4 - 5mm