Accu-Gage RS60XA Professional Tire Pressure Gauge with Protective Rubber Guard (60 PSI) BUILT TO LAST - heavy duty steel & brass construction and tough rubber cover means this tire pressure gauge is built to last RELIABLE - fully geared precision BOURDON TUBE mechanism is not affected by temperature, humidity, or altitude. NO BATTERIES required. EASY TO USE - large 2 inch dial and 360 degree swivel chuck makes viewing the tire pressure easy from any angle ACCURATE - calibrated to ANSI B40.1 Grade B and featuring an integrated BLEED BUTTON for deflation adjustments. Needle HOLDS PRESSURE READING until released. LIFETIME WARRANTY (USA and Canada) from the manufacturer, G.H. Meiser, a trusted brand with OVER 100 YEARS of manufacturing experience in the tire pressure gauge field. If you ever need to service or recalibrate your gauge, you can rest assured that G.H. Meiser will be there! SAVE MONEY on fuel and keep your family safe. Buy the Accu-Gage Professional Tire Pressure Gauge today!