Key Features · 0-60PSI Scale (0-4 BAR) · Accuracy ANSI B 40.1 Grade B · 360 degree 45 degree angle end · Display Holds Pressure until released · Reduce tyre overpressure by pressing the integral pressure relief. chrome valve button located below the gauge display (see pictures) · Clear and easy to read dial · Integral rubber surround · Designed for motorsport use. Angle chuck allows quick and easy access to the valve