Each Spacer Measures 1 Thick. These Spacer are made to adapt 5x4.5 vehicle bolt patterns to Wheels that have a 5x4.5 bolt pattern.If your wheel studs on your vehicle are longer than the adapter is thick they may need to be ground down to prevent the end of the studs on your car from hitting the back of the wheel. Please Ensure that these are the correct application for your vehicle 5x4.5 we only guarantee that you will receive the item that is described 5x4.5 vehicle bolt pattern to 5x4.5 wheels. We do not guarantee any fitment onto any vehicle. It is ultimately the end users responsibility to ensure that this is the correct product. We highly recommend that all wheel Spacer are professionally installed. Make sure that you get 5-7 FULL TURNS of the lugs while installing, AND torqued down to manufacturers specs (up to and not greater than 110ft lbs). The item "(4) 1 inch Wheel Spacers 5x4.5 Fits Ford Lincoln Mercury Jeep 1/2 Studs" is in sale since Monday, March 8, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Other". The seller is "titanwheelacc" and is located in Holland, Michigan. This item can be shipped worldwide.