TEKTON 3/8 Inch Drive Deep 12-Point Socket Set, 12-Piece (8-19 mm) | SHD91108

Includes 12 pc. 3/8 in. drive deep 12 point sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; Socket rail 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 Deep length sockets reach into wells and accommodate the excess threads of longer shafts 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 socket in place both for in your toolbox and on the go.