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.