General description Sealey Brake Disc Caliper with Tyre Tread Depth Gauge is designed for precision measurement, featuring a unique lever action floating jaw assembly that allows for easy removal from the disc while retaining the reading. This tool is ideal for use on discs that have a wear lip and includes a tyre tread depth gauge at the base. Technical specifications Model No.: VS057 Metric scale with 0.1mm graduations Nett Weight: 0.03kg Measuring range: 0-56mm Other information