Comprehensive Kit: Includes 1PC 1/2Inch . x 7/8Inch (22mm) offset oxygen sensor socket, 1PC 3/8Inch . x 7/8Inch (22mm) offset oxygen sensor socket, 1PC 3/8Inch . x 7/8Inch (22mm) long oxygen sensor socket, 1PC M12 x 1.25mm thread chaser, and 1PC x 1.5mm thread chaser. Designed to cater to all your sensor removal and installation needs. Durability and Performance: Crafted from high-quality chrome vanadium steel (-V), this set offers superior durability and torque resistance. The heat-treated and phosphated ensures enhanced strength and resistance, providing reliable performance under tough conditions. Innovative Design Features: The set features a wide wire gate to prevent damage to sensor wiring harnesses. Each socket has a slotted, anti-slip design and offset construction for better access to restricted areas, ensuring greater leverage and control during operations. Thread Chasers for Maintenance: Equipped with M12 x 1.25mm and x 1.5mm thread chasers that fit 3/8Inch ratchets. These tools are ideal for cleaning and repairing threads, removing rust, and preventing -threading, which enhances maintenance efficiency and saves time. Wide Compatibility and Utility: Suitable for removing, inspecting, replacing, and installing both heated and non-heated oxygen sensors, as well as vacuum switches, on most vehicles with computer-controlled engines. An indispensable tool kit for both DIY enthusiasts and professional mechanics. Color:Black Material:steel Package Contents: 5 * Oxygen Sensor Socket(The color of plastic boxes is random, and designation is not accepted) Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.