Two double-sided magnetized, S2 heat-treated steel bits for up to 2x longer tip life Reversible, heat-treated steel shaft Black-ops coated tips for a precise fit that reduces cam-out Max-control, MOA grip and thumb press for up to 40% more torque Includes two slotted (3/16-in, 1/4-in), two Phillips (PH1, PH2), and two nut drivers (1/4-in, 5/16-in)