The Mr. Lugnut Bolt Circle (PCD) Measuring Gauge provides quick, accurate bolt-pattern identification for wheels, hubs, and brake assemblies. Designed to read 4-, 5-, 6-, and 8-lug configurations, the gauge features laser-etched reference marks for long-term clarity. Ideal for wheel installers, technicians, and enthusiasts, this tool eliminates guesswork when matching aftermarket wheels to factory hub patterns. Lightweight and durable, it is suitable for shop use or mobile service environments.