33 Piece, Power Bit Set, Includes 1 Each Of The Following Sizes: #0, #1, #3, 1/8", 5/32", 3/16", 1/4", 9/32" Slotted, T10, T15, T20, T25, T27, T30, T40 Star, S0, S1, S2, S3 Square, 5/64", 3/32", 7/34", 1/8", 9/64", 5/32", 3/16", 1/4" Hex, 5 Each #2 Phillips & 1 Each Magnetic Bit Holder.