Ace Square Recess #2 in. X 2 in. L Screwdriver Bit S2 Tool Steel 18 pc

Ace screwdriver bits are premium. Made to exacting standards, these bits will not let you down. All bits are made from premium S2 tool steel. They are heat-treated and tempered to achieve an optimal hardness of 58-62 HRC, which will absorb shock, reduce twisting and cam-out, while not stripping screw heads. Size tolerances are tightly controlled to ensure consistent and accurate fit.