1) Material: semi-metal, asbestos-free, carbon, ceramic 2) Excellent friction performance, allows for sensitive braking automobile brake padsFeatures:1) Material: semi-metal, asbestos-free, carbon, ceramic2) Excellent friction performance, allows for sensitive braking3) Proper hardness 4) Low noise and dustproof5) High quality and competitive price6) These products sell well in more than 20 ...