Check the listing for details. Oxygen Sensor Socket 7/8'' (22mm) 6-Point O2 Sensor Socket Wrench Removal Instal. Condition: New. Listed at 16.54 USD. Sensor Socket Set Attributes] ● Colors：Black ● Sizes：1.22×3.58×1.22 inch ● Opening Size: 0.65 inch ● Weight：9.33 oz ● Material：Chrome-Vanadium Steel ● Packaging：1 x Oxygen Sensor Socket 【Premium Quality Material】 Sensor socket set are made from heavy-duty chrome vanadium steel for strength, material selection, longevity, resistance to deformation and abrasion! Providing you with the best possible feel for use, no matter how harsh the environmental conditions! 【Exquisite and Clever Design】 The oxygen sensor tool has a 7/8-inch (22-millimeter) opening and a 3/8-inch square head to fit virtually all automotive hexagonal sensors. It is designed with a small opening in the side to make installation and removal easier and to prevent damage to wires.