20 Piece, Socket Mechanic Tool Set, Includes: 18 - 1/4" Drive Sockets, One 3" 1/4" Extension Bar, One 1/4" Ratchet, Ratchet, Forged From High Quality Steel, High Polish Nickel Chrome, Ratchet Handles Are Ergonomically Designed & Have An Easy To Use Thumb Operated Reverse Switch Mechanism, Sockets & Extensions Remain Locked Onto The Drive Until Disengaged With An Easy To Reach, Low Profile Quick Release Button, Sockets Feature Max-Drive Design, Unique Radius Corner Design That Provides 15 Percent More Torque Than Standard Sockets To Tighten Fasteners Easily & Simplify The Turning Of Rounded Corners, Includes Blow Molded Carry Case.