The Longacre Magnum Tyre Pressure Gauge is designed to hold the pressure reading until the release button is pressed.Holds the pressure reading until button pressedEasy to read dial face is 3 1/2" in diameterGlow in the dark for poorly lit conditionsInternal damper provides a more accurate readingSupplied in a foam lined metal carry caseThe Longacre Magnum Tyre Pressure Gauge feature a huge 3 1/2" dial face which glows in the dark providing easy readability in all conditions.The Tyre pressure is held until the release button is pressed, this is helpful if pressures are being recorded. An internal gauge damper provides a more consistent and accurate reading and an external rubber cover protects the dial against knocks. The flexible fill hose is 17" long and is supplied with both angles and ball type chucks.Supplied in a foam lined metal carry case to keep the gauge safe when not in use.Available in 3 pressure ranges:0-15 PSI in 1/4 PSI increments0-30 PSI in 1/2 PSI increments0-60 PSI in