The gauge case is made from nickel plated brass
The dial window is made of highly shock resistant material (anti-splinter polycarbonate).
A specially designed housing protects the gauge and HP hose fitting from accidental damage. A large loop area designed into the housing allows for easy attachment.
There is an over-pressure capsule fitted in the back of the module to prevent the screen from exploding in the unlikely event of the internal mechanism failing.
The luminous compass dial with a vivid and clear display makes quick work of compass direction even in poor visibility