Stanley STMT72794-8-12 1/4 Drive Metric Socket Set (46-Pieces) Forged from High-quality steel, finished in high-polish nickel chrome, Compact Stanley P9 ratchet, An easy-to-use, thumb-operated reverse-switch mechanism, A quick-release button, Feature Maxi-Drive design socket- provides 15 percent more torque than standard sockets to tighten fasteners easily and simplify the turning of rounded corners, Maxi-Drive helps reduce fastener wear by minimizing contact on the outer 5% of the fastener, Maxi-DriveTM helps reduce slipping on frozen or rusted fasteners, All Stanley ratchets, sockets and wrenches are manufactured globally to Stanley specifications