Milwaukee Shockwave impact duty driver bits are engineered for extreme durability and maximum strength. The optimized Shock Zone geometry is unique for each tip type to provide longer life and absorb more torque. 135 degree split point for precision start – no walking. Can be used in impact drivers or drill drivers. Includes: Compact Bit Holder; 6 In. Bit Holder; Insert Magnetic Nut Drivers 1/4, 5/16, and 3/8 In.; Insert Socket Adapter 3/8 In.; 3/8 In. Drive Thin Wall Deep Impact Sockets 1/2 and 9/16 In.; Hex Drill Bits 1/16, 3/32, 1/8, 3/16, 1/4 and 3/8 In.; Double-Ended Power Bits PH2/SQ2, T20/T25; Insert Driver Bits (2) PH1, (8) PH2, (2) PR2, (3) PH3, SQ1, (4) SQ2, (2) SQ3, T10, (2) T15, (3) T20, (5) T25, T27, T30, SL#8, SL#10, Hex 3/16 In., Hex 1/4 In.; 2 In. Power Bits PH1, (3) PH2, PH3, SQ1, (2) SQ2, SQ3, T15, (2) T20, (2) T25, T30, SL#10; 3-1/2 In. Power Bits PH2, T25; 6 In. Power Bits PH2, SQ2.