The Sealey VS0571 is a brake disc caliper thickness measuring gauge designed for quick and accurate assessment of brake disc wear on a wide range of vehicles. This essential brake service tool features an extended 392mm body design that allows measurements to be taken on some vehicles without removing the wheel, saving valuable workshop time and reducing labour-intensive wheel removal procedures. The spring-loaded plunger mechanism enables rapid, repeatable measurements with minimal effort, making it ideal for busy workshops conducting multiple brake inspections. With a measurement range of 0-45mm and clear 1mm metric graduations, the gauge provides the precision needed to assess whether brake discs meet manufacturer minimum thickness specifications. Suitable for use across motorcycles, cars, and commercial vehicles, this versatile measuring tool is an invaluable addition to any automotive workshop, mobile mechanic's toolkit, or MOT testing station. At just 0.18kg, the gauge is lightwe