Kobalt 22-Piece Screwdriver Bit Set

16 driver bits: 2 P1, 3 P2, 1 P3, 1 R1, 2 R2, 1 R3, 1 T15, 2 T20, 3 T25; 2 hex to square adapters: 1/4 and 3/8; 3 nut drivers: 5/16, 3/8, and 7/16; one 3-in impact torsion bit holder
Built-in magnet on back of bit holder for convenient use and easy access
Short nut drivers and hex to square adapters are designed to fit snugly into torsion bit holder for easy use and quick changes
Impact driver compatible
Black oxide finish prevents dulling and resists corrosion