Slime's Dually RV Dial Tire Gauge features a dual foot chuck for easy reach on all tires. Features an 8-inch hose and dial measurement system, bleeder valve to save time between measurements, and a reset button. Properly-inflated tires minimize tread wear, increase gas mileage and improve handling, saving money on gas and maintenance. This gauge works great on 4x4s and SUVs as well.