Steelman Pro 78633 50-Piece Impact Driver Bit Set 50-PIECE SET - Set of 50 impact grade, quick-release shank bits with a wide variety of lengths and drive types HEAT-TREATED STEEL - Bits are made of industrial grade steel that's been heat treated for optimal torsional performance 20 HEX BITS - H4, H5, H5.5, H6, H8, HB4, HB5, HB5.5, HB6, HB8, H5/32, H3/16, H7/32, H1/4, H5/16, HB5/32, HB3/16, HB7/32, HB1/4, and HB5/16 ADDITIONAL BITS - Two 2.5-inch PH2 and PH3, two 5-inch PH2, 2.5-inch slotted bit, 2.5-inch T10, T15, T20, T25, T27, T30, and T40, 5-inch T25, T27, T30, and T40, and 1/4, 5/16, and 3/8-inch socket drivers 5 SOCKET ADAPTERS - Set includes 5 socket adapters: 1/4-inch x 2.5-inch, 3/8-inch x 2.5-inch, 1/2-inch x 2-inch, 1/4-inch x 6-inch, and 3/8-inch x 6-inch 4 BIT HOLDERS - Set includes a quick release bit holder in 2.5-inch (2), 3.5-inch, and 6-inch lengths EASILY IDENTIFY BITS - Sizes are laser etched and the standard and metric hex bits are different lengths for easy identification STORAGE CASE - A blow-molded black plastic storage case is included to keep your bits organized