Quickly and easily check how much wearable tread remains on car and truck tires with the STEELMAN 60296 Dual Mode Digital Tread Depth Gauge. Built with a rugged plastic casing and easy to read LCD screen, this handy and compact tire tool is powered by a single 1.5V LR44 battery. Gauge is able to display readings in both metric millimeters and standard / SAE inches. This tool has a range and resolution of 0 to 25.4mm +/-0.01mm or 0 to 1-inch +/-0.0005-inch. Gauge features a simple to operate design that can be zeroed at any position for easy adjustment and precision readings on tire treads as well as on brake shoe and pads.