Sold in pairs to be used setup to use my axle shaft and compatible with my brake kits. Drill bits are recommended and available in the tools section of the wheels category. Installed as designed the brakes will remain stationary and the wheels will spin. Base design by BlackBoxSTL modified by me to work with my ecosystem. These are the wheels shown on the 2017 Camaro Body Kit, The 20's are the size in the photos.