Size:                Many kinds of specifications .... mm

Performance:  ^{suits uses in the abundant world power tool,}

                               ^{the noise is small,}

                               ^{wear-resisting,}

                               ^{the spark is small,}

                               ^{the anti-jamming is good .}

Original No..:   All power tool electronics brush model

For model:      

Grade:        Normal; Middle; High

Optional:    Auto-cut; Non-Auto-cut