The Longacre Magnum Tire Pressure Gauge (0-15 PSI, 0-40 PSI or 0-60 PSI) delivers precise and reliable readings, perfect for racers and automotive enthusiasts. This analog gauge has a large 3-1/2-inch dial face that glows in the dark, allowing easy readability in low-light conditions. Measuring in 0.5 PSI (0.25 PSI for 0-15 PSI option) increments , it provides accurate tire pressure adjustments, helping users optimize handling, control, and performance.