This 3-piece Oxygen Sensor Socket Set is essential for any automotive repair toolbox, featuring a 7/8" (22mm) universal socket compatible with all hex oxygen sensors. Key Benefits: - Versatile Compatibility : The universal socket fits a wide range of oxygen sensors, making it suitable for various vehicle makes and models. - Efficient Use : Equipped with both 3/8" and 1/2" drive ends, it connects seamlessly to ratchets or power tools, ensuring effective performance across different repair tasks. - Prevent Damage : The unique side-cut design allows easy access to the oxygen sensor components, significantly reducing the risk of wire damage and enhancing safety. Practical Applications: - Sensor Replacement : Perfect for removing and installing oxygen sensors in vehicles with computer-controlled engines, ensuring that you maintain optimal engine performance. - Vacuum Switch Installation : Ideal for tackling vacuum switch replacements in various automotive systems, simplifying the repair process. - General Maintenance : A reliable tool for general automotive repair, helping DIYers and professionals alike tackle multiple jobs with ease. With its practical design and robust construction, this professional-grade tool is a must-have for car owners and repair technicians alike, enabling effective and secure repairs every time.