TEKTON 2840 Everybit Ratchet Screwdriver and Bit Set, 105-Piece Every bit for any project Bits feature sandblasted chrome vanadium, chrome molybdenum, and S2 steel construction Quadra-torque driver handle develops up to four times the torque of a conventional driver Screwdriver handle has three ratchet settings: forward, reverse, and fixed drive Bits and accessories fit all power drills, screwguns, and cordless and magnetic drivers