【High Qulity】Made of high performance chrome molybdenum and solid cast steel construction for strength and durability - Finished with Black Oxide to prevent rust and corrosion.
【Size】 7mm slot, 7/8” (22mm) x 6-point x 3-1/10” (80mm) length, 3/8 inch square drive for use with ratchet. Fits all standard oxygen sensors with a 7/8” hexagon nut.
【Design】Standard 6 point with low profile and 8mm x 64mm side cutout design to enable you remove oxygen sensors with the wiring harness still attached, and the socket is offset and compact which allows extra leverage even in hard to reach spots.
【USE】 Built for use with 3/8” ratchets, 1” wrenches, and breakers bars to remove and install oxygen sensors and hex vacuum switches on vehicle, even if you don't have a lot of experience working with cars. This high quality tool can save your time!

NOx Sensor Upstream and Downstream, for Chevy, for GMC 2016-2019 55502673 55502092 55500841