Pressure is read off of a sliding scale proportional to the air pressure ... laden than pocket-sized gauges with a bleeder valve and dual-scale dial. The Slime 20017 is part of the Tire pressure ...

Pressure is read off of a sliding scale proportional to the air pressure ... laden than pocket-sized gauges with a bleeder valve and dual-scale dial. The Slime 20048 is part of the Tire pressure ...