Features Versatile Set: Includes thread dies, straight socket, long and short oxygen sensor sockets, offering a comprehensive solution for various automotive repair needs. Durable Material: Crafted from 65 manganese steel with rustproof treatment, ensuring high hardness, corrosion resistance, and long-term reliability. Multi-Purpose Design: Compatible with ratchet wrenches and posts, enabling easy removal and installation of vehicle oxygen sensors or hex air switches. Standard Sizing: Features standard threads and sizes for secure and slip-resistant operation, providing ease and precision during use. Wide Compatibility: Suitable for Mercedes Benz and other most car models, offering practicality and broad compatibility for diverse automotive applications. Features: 1. [DIES AND SOCKETS] Including thread dies, straight socket, long and short oxygen sensor sockets, with simple operation. 2. [MANGANESE STEEL] Forged with 65 manganese steel, surface rustproof treatment, high hardness and corrosion resistance. 3. [MAIN PURPOSE] Can be used with ratchet wrench and post to remove and install vehicle oxygen sensor or hex air switch. 4. [STANDARD SIZES] These dies and sockets have standard threads and sizes, which are easy to operate and not easy to slip or loosen. 5. [GOOD COMPATIBILITY] Suitable for Mercedes Benz and other most car models, good practicality and compatibility. Specification: Item Type: Automotive Oxygen Sensor Socket Material: Manganese Steel Straight Socket: Approx. 80mm / 3.1in high, 3/8in square hole, 22mm (7/8in) Short Oxygen Sensor Socket: Approx. 31mm / 1.2in high, 3/8in square hole, 22mm (7/8in) Long Oxygen Sensor Socket: Approx. 50mm / 2in high, 1/2in square hole, 22mm (7/8in) Thread Die: M12x1.25MM, M18x1.5MM Package List: 2 x Thread Dies 1 x Straight Socket 1 x Long Oxygen Sensor Socket 1 x Short Oxygen Sensor Socket 1 x Plastic Box Package List 2 x Thread Dies 1 x Straight Socket 1 x Long Oxygen Sensor Socket 1 x Short Oxygen Sensor Socket 1 x Plastic Box