●The size of the carbon brush is 7 x 8 x 19 mm. Suitable for many power tool motors. ●Made of high quality carbon and metal, sturdy and durable, ideal for replacing old or worn products. ●Worn brooms are often the cause of a poorly rotating motor. Replacing the brushes can repair an intermittent motor and restore the electric brake of an engine. ●Package included:2 pairs of carbon brushes ●Please measure your carbon brushes according to the size before purchasing.