Kobalt 100-Piece Steel Hex Shank Screwdriver Bit Set

Contains 57 standard bits, 17 specialty bits, 21 tamper-proof bits and 5 adapters. 15 Different styles of bit tips, including clutch, 4-wing, spline, 3-wing, square, slotted, Phillips, pozi, hex, tamper-proof, star and spanner. Comes with a magnetic bit adapter and a 1/4-in drive socket bit adapter. Bits are made of carbon steel for strength and durability. Designed to exceed ASME specifications. Hassle-free lifetime guarantee.