Item Type: Oxygen Sensor Socket WrenchMaterial: IronColour: BlackSize: Approx. 22mm / 0.87inDrive Size: 3/8in 1Quick Removal: Able to remove and install oxygen sensors on vehicles with computer controlled engines, quick and easy. 2Good Matching: Suits perfectly for 3/8in ratchet drive wrench or breaker bar, for heated and unheated oxygen sensors. 3Better Design: 7/8in hex socket with cutaway will largely simplify operation in wire clearance and hard to get places. 4Iron Material: Adopting high quality iron material, ideal for professional and DIY, very durable for long term using. 5Easy Carrying: Comes with light weight and compact size as well, very convenient to store and carry for outdoor work.1 x Oxygen Sensor Socket Wrench