TEKTON 3/8 Inch Drive Universal Joint Socket Set with Rails, 17-Piece (3/8-3/4 in., 10-19 mm) | SHD91217

Includes 7-pc. 3/8 in. drive 6-point inch u-joint sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.; 10-pc. 3/8 in. drive 6-point metric u-joint sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; Socket rails and tray Combines a shallow 6-point socket and compact universal joint fits into extremely limited spaces when other tools can't fit Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-off 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