... 2good abrasion resistance&hardness 3high precision 4OEM accepted 5ISO9001:2008 certificate High precision powder metallurgy gear for bosch, makita, metabo power ... , 100T, 60T, 50T, 25T, 20T, 10T, 6T;b. 2 lines of high-temperature mesh belts furnace;c. 1 set of ... detector, beat monitor, digital push & pull tester.6. High precision within tolerance 0.02mm, 100% good quality with competitive price ...