Pieces: 4  Vehicle Bolt Pattern: 6x4.5 (6x114.3) Wheel Bolt Pattern: 6x4.5 (6x114.3) Stud Thread Pitch: 12x1.25 Thickness: 1 inch (25mm) Hub Centric Center Bore W/ Lip: 66.1mm CNC machined from high quality 6061 T6 aerospace aluminum Includes pre-installed heavy duty wheel studs U.S. based and owned seller shipping from California Free Shipping with Tracking Notes: Installation should only be done by a professional. The adapters are shipped with open lugs on the studs- use these to bolt the adapter to the vehicle if the thread size is correct for the vehicle. Only approved lug nuts can be used to bolt the adapter to the vehicle, factory lug nuts cannot be used. Install by hand. Adapters that have been mounted to a vehicle and/or wheels cannot be returned for exchange or refund. Stud trimming may be necessary for a proper, secure fitment Ask if you have any questions or need assistance with your purchase, we're here to help! Picture of item is reference only, it may not be the item that is listed. The item description will show the exact details.