General description A handy tool for essential brake pad service. This brake pad thickness gauge features a colour-coded system using the traffic light colors, allowing you to quickly check and demonstrate the thickness of brake pad material. Technical specifications Sizes: Green 8, 10 and 12mm (SAE 0.3150-0.4720) Yellow 4, 5 and 6mm (SAE 0.1575-0.2382) Red 2 and 3mm (SAE 0.0787-0.1181) Material: Plastic Usage This tool is designed for checking wear on brake linings.