SATA 31-Piece 1/4-Inch Hex Shank Power Tool Bits Set : [VERSATILE SET] 1 - Magnetic Bit Holder' 30 - 1/4" Shank (1") 25mmL Bits' Slotted 4, 5.5, 6, 6.5 mm' Phillips #0, #1, #2, #3' Hex 3, 4, 5, 6, 7, 8 mm' Torx T8, T10, T15, T20, T25, T30, T40' Tamper-Proof Torx T10, T15, T20, T25, T30, T40' Pozidriv #1, #2, #2, [RELIABLE] Bits made of S2 for maximum strength and durability, [WORK SMARTER] Magnetic bit holder for fastener retention, [MULTI-FUNCTIONAL] 30 bits to cover many applications, [MOBILITY] PE case is durable, safe & strong