Lisle 12230, Oxygen Sensor Thread Chaser$8.95PriceQuantity*Add to CartBuy NowUse with 3/4" hex socket or 3/8" square drive. Size: M18x1.5 Also works on M18x1.5 spark plug threads. IMPORTANT: Use anti-seize.Return & Refund Policy30 Day Return, RMA Required.10% Restock Fee.