Specifications: High quality and durable for professional or DIY use. 7/8"(22mm) six-point socket with cutaway for wire clearance. This oxygen sensor wrench is for use with a 3/8" drive ratchet or breaker bar. Suitable for both heated and unheated oxygen sensors. The offset design helps you reach oxygen sensors in tough-to-reach spots compared to standard wrenches. Adapted to all oxygen sensor. Item Name: Oxygen Sensor Socket Material: Iron Dimension:22mm Drive Size: 3/8"(10mm) Inner Diameter: 7/8"(22mm) Socket Depth: 3cm/1.18" (Approx.) Offset Length: 5.6cm/2.20" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Oxygen Sensor Socket