Automotive oxygen sensor $ 5.89 Features: High quality and durability, suitable for professional or DIY use. Six-point 3/8" or 1/2" socket with cutout for wire gap. This oxygen sensor wrench can be used in conjunction with a 3/8" drive ratchet or breaker. Suitable for heated and unheated oxygen sensors. Compared with the standard button, the offset design can help you stretch the oxygen sensor to a hard-to-reach position. Material: Steel Type: Button sensor Size: 22mm/0.86 inch Drive size: 3/8" or 1/2" Grip depth: 3cm / 5cm Offset printing length: 5.5 cm / 60 cm