Color Coded Brake Pad Gauge Identifies thickness level ranges for brake lining inspection.
Effective working way: The red range of brake pad measurement tool shows that the tire is needed to be changed, the yellow means warning, the green means safe.
The brake measuring tool is Constructed of 20-gauge sheet metal with powder coat riveted together for extra strength and durability.
Each gauge blade has both SAE & Metric measurements.
Metric and SAE:Metric - 8, 10, & 12mm (Green), 4, 5, 6mm (Yellow), 2 & 3mm (Red).SAE - 0.3150 to 0.4720" (Green), 0.1575 to 0.2382" (Yellow), 0.0787 to 0.1181" (Red)