ITEM NAME:Universal 22mm Car Oxygen Sensor 3/8 Drive Socket Wrench O2 Removal Tool R8O3 Universal 22mm Car Oxygen Sensor 3/8 Drive Socket Wrench O2 Removal Tool R8O3 Good quality professional tool 3/8 inch double square hole drive 6 point socket 22mm Offset design socket allows access in hard to access areas Perfect for heated and unheated oxygen sensors Cut-out section allows socket to pass over wiring Fit For most Japanese Type Vehicles There are no instructions included in this kit. Professional Installation Is Highly Recommended! Please Check Size before purchase. Material: Steel Color: Black Type: Sensor Wrench Length: 80mm/ 3 inch (approx) Square Hole Dimensions: approx 3/8 inch(10mm) Sleeve Dimensions: 22mm/0.87 inch (approx) Package contents: 1* Oxygen sensor disassembly tool Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..6 point socket 22mm. Type: Sensor Wrench. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Perfect for heated and unheated oxygen sensors.