Red ruler: 2, 3 mm, the pads must be replaced. Green ruler: 8 mm, 10 mm, 12 mm brake pad is good, is in good working condition.
8-Pc Brake Lining Thickness Gauge Measure Disc and Drum Brake Pads Color-Coded
Metal 8 in 1 Automotive Brake Pad Feeler Lining Thickness Gauge Measure Tool
8 In 1 Automobile Brake Pad Scale Feeler Lining Thickness Gauge Measure Tool mm
8 In 1 Automobile Brake Pad Scale Feeler Lining Thickness Gauge Measure Tool tt
Pro 8 in 1 Automotive Brake Pad Feeler Lining Thickness Gauge Measure Tool US
3 PCS Digital Tire Tread Depth Gauge Tool, Brake Lining Thickness Gauge for Car
