ABN Oxygen Sensor Offset Puller 3/8 Inch Drive 7/8 Inch Socket Designed to allow user to remove oxygen sensor while keeping the wiring harness attached The offset design provides the leverage needed for easy removal in the hardest to reach spots Designed for use with a 3/8 drive ratchet Extra durable high performance chrome molybdenum steel construction Common 6 point, 7/8 22mm socket provides wire clearance