About this item [Material]Excellent stainless steel and red copper materials make the products stronger, stronger, more durable and have a long service life. [Design]The surface is smooth and the thread is clear, so the product can be firmly fixed and not easy to fall off. [Application] Fit for Automotive,Car,Bike,Motocycle,ATV,UTV and Other Transportation [Installation] We’ve made installation a breeze. Simply insert the plug into the oxygen sensor port and tighten securely. [Package]2 Pcs Hex Socket Plug(with 2 thread protecting sleeves) 2Pcs Red Copper Oring.