... to 500mm - Non asbestos or asbestos,for truck,tractor,car,van,bus,etc. - ISO9001 qualified. - 60 kinds ... 500mm- Non asbestos or asbestos,for truck,tractor,car,van,bus,etc.- ISO9001 qualified, beautiful thread,excellent ... the reasonable material componenets. - We can make drilling for clutch facings. - Low wear rating,Long life-time. - Low ... . non- asbestos glass copper fiber clutch facing friction plates