TEKTON 3/8 Inch Drive 12-Point Socket Set with Rails, 42-Piece (5/16-3/4 in, 8-19 mm) | SHD91219

Includes 9-pc. 3/8 in. drive standard 12-point inch sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.; 9-pc. 3/8 in. drive deep 12-point inch sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.; 12-pc. 3/8 in. drive standard 12-point metric sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; 12-pc. 3/8 in. drive deep 12-point metric sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; Socket rails and trays 12-point opening fits double hex (12-sided), hex, and square-shaped fasteners Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-off Includes standard and deep length sockets Extra-large die-stamped size markings are easy to read and can’t wear off.Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion.Four detent grooves provide a secure connection with the drive tool.Beveled inner rim of the socket opening helps guide it smoothly onto fasteners.Twist-to-Lock Socket Rail organizes and securely holds sockets in place, both for in your toolbox and on the go