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