Tyre pressure gauge - Pencil type
The pressure gauge is easy to use, fit it on the valve and the gauge pops out the back indicating the pressure.
It's referred to as a pencil type pressure gauge, because it resembles a pencil and even has..
Tyre inflator with pressure gauge
The tyre chuck on the pressure gauge conveniently holds the valve in place while inflating the tyre.
A button can be pressed on the inflator gun to deflate the tyre in the pressure is too high.