With a 6-point opening, the TEKTON 3/8 in. Drive x 13/16 in. Spark Plug Socket snugly fits the hex nut of the spark plug, allowing you to apply maximum torque and loosen stubborn, heat-seized plugs without slipping. Its advanced design grips the flat sides of the hex nut, rather than just the corners, to prevent round-off under stress. For sure-handed removal and installation, a rubber grommet inside holds on to the neck of the spark plug, keeping it secured in place and engaged with the socket.
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
Includes (19) 1/2 inch drive deep 12-point sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/18, 1-3/16, 1-1/4, 1-5/16, 1-3/8, 1-7/16, 1-1/2 inch