... .long use life,safety HITCACHI carbon brush,HITACHI 99-012,carbon brush for power tools,power tools carbon brush,carbon brush replacement Size6.3X8X16 ... such as long time,low spark.Products manufactured by automatic carbon brush machines, characteristics as follows: 1. From the appearance point ... length, not loose, falling off, broken off side, off angle, clamp and so on. 2. From the use of terms: (1 ...