K Tool Metal Brake Lining Thickness Gauges (70150)

Eight heavy duty steel brake lining thickness gauges connected for easy useColor coded brake gauge identifies thickness levels for quick inspection of brake linings3 Green: 8, 10, 12 mm (0.3150″ ~ 0.4720″); Brakes are still good3 Yellow: 4, 5, 6 mm (0.1575″ ~ 0.2382″); Brakes should be serviced soon2 Red: 2, 3 mm (0.0787″ ~ 0.1181″); Brakes need to be serviced!Lifetimewarranty