YIZBAP 5x5 to 5x4.5 Hubcentric wheel spacersThickness: 1.25 inch (31.75mm)Vehicle Bolt Pattern: 5x5 (5x127mm)Wheel Bolt Pattern: 5x4.5 (5x114.3mm)Thread Size: 1/2-20Hub Centric: 71.5mmPACKAGE INCLUDE:4 x Hubcentric wheel adapters (1.25 inch per unit) with 20 open end 1/2-20 thread lug nuts2x user manualFitment:1/2-20 Studs:2007-2018 Wrangler JK 4WD2007-2018 Wrangler JK Unlimited 4WD2007-2010 Wrangler JK Unlimited 2WD2006-2010 Commander XK1999-2004 Grand Cherokee WJ2005-2010 Grand Cherokee WK14x1.5 Studs:2011-2023 Grand Cherokee WK22018-2023 Wrangler JL2019-2023 Gladiator JT2011-2023 Dodge Durango.NOTE: Please make sure that these are the correct application for your vehicle. We do not guarantee any fitment onto any vehicle, we only guarantee that you will receive the item described above.This spacer adapter includes open end lug nuts to secure the spacers onto your factory hubsIf your factory thread size is different from 1/2-20 - Need to purchase a set of open end lug nuts in the correct thread pitch (your factory thread pitch) to complete the installationYour Factory wheel studs may extend past the surface of the wheel spacers. In this case, you will need to:1) Shorten the factory studs2) The wheels need to have open slots (cavities) between mounting holes.3) Purchase a set of shorter studs and replace them with the factory studs.