Size: Common 6 point, 7/8 inch (22 millimeter) hex fits almost all oxygen sensors; 3/8" drive for ratchets. The socket is slotted so that you can remove the oxygen sensor while still connected to the wiring harness, and the socket is offset and compact, providing additional leverage even in hard-to-reach spots. This quality tool can save your knuckles and time This offset oxygen sensor socket is made of premium Chrome Molybdenum steel, which enables maximum torque while being accurately cast to ensure accurate assembly and function. This socket's slotted design allows you to remove oxygen sensors with the wiring harness still attached, and the unique off set design of the Oxygen Sensor Wrench delivers maximum torque with maximum convenience! Color: As Pic Shown Size: 7/8 inches Packaging includes:1 x Oxygen Sensor Offset Puller.Items from Sheng Xinshun's shop