Features and Benefits:

• Eight heavy duty steel brake lining thickness gauges connected for easy use
• Color coded brake gauge identifies thickness levels for quick inspection of brake linings
• 3 Green: 8, 10, 12 mm (0.3150" ~ 0.4720"); Brakes are still good
• 3 Yellow: 4, 5, 6 mm (0.1575" ~ 0.2382"); Brakes should be serviced soon
• 2 Red: 2, 3 mm (0.0787" ~ 0.1181"); Brakes need to be serviced!
• Lifetime warranty