precision: the hole distance ruler provides accurate measurements for wheel hub modifications, delivering reliable precision for your projects. Designed for modification enthusiasts: specifically crafted for modification work, this tool meets diverse measurement needs and serves as an essential addition to your toolkit. Convenient and portable: lightweight and compact, this wheel hub measuring tool is easy to carry and enables quick measurements on the move. Durable and reliable: built to endure longterm use, it maintains accuracy and performance across many modification tasks. Use scenarios Preinstallation checks: measure hub hole spacing before fitting aftermarket wheels to ensure proper alignment and fit. Custom hub or rotor work: verify hole spacing when aligning adapters, spacers, or during brake hub modifications to avoid misalignment. Onsite field measurements: perform quick, reliable hub distance checks when working away from the workshop on custom wheel setups.