G-Force 4902 30 lb. Dial Head Tire Pressure Gauge Easy to read, 2-1/2 inch round head with rubberized casing Display reads in 1/5 pounds increments from 0-15, 0-30 or 0-60 pounds per square inch options All gauges come with a pressure hold/bleed button Equipped with a dual swivel, 12 inch 300 pounds per square inch rubber hose to prevent binding or kinking All three readings sold in standard or liquid filled to prevent needle shock when transporting or using.