Milwaukee 4932472055 Shockwave Impact Duty Screwdriver Bit Set with compression forged tips providing the best fit with the screw head The Milwaukee 4932472055 is a 16 piece screwdriver bit set supplied in a puck holder with a 60mm bit holder. The kit contains PH, PZ and Torx bits. 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. Rotate the puck to your desired bit and remove it through the window. The puck holder has a magnetic base. 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  Compression forged tip provides the best fit with screw head, reducing cam out and stripping, resulting in outstanding lifetime  Custom engineered steel - Milwaukee custom metal formula makes the Shockwave bits more resistant to shock from impacting   Contains: SHOCKWAVE screwdriving bits: (15 x 25 mm length) 1 x PH1 - 2 x PH2 - 1 x PZ1 - 3 x PZ2 - 1 x PZ3 - 1 x TX10 - 2 x TX15 - 2 x TX20 - 1 x TX25 - 1 x TX30  1 x SHOCKWAVE magnetic bit holder 60 mm length