... price 4. durable and stability 5. use safely TE-72 Carbon Brush♥ Power Tool Carbon BrushMaterial: TOYO, 839 MORGAN, Brass, copper wire, Man- ... or according to customers requirementsCommutator: within 0.03%Application: power tools such as Angle Grinder,Marble Cutter,Circular Saw,Rotary Hammer ... ,Cut-off Machine. More info plz visit www.tg-tools.com, or just talk to us Carbon Brush Rotary Hammer TE-72