Item Type: RS550 Carbon Motor Brush_x000D_ Material: ABS, aluminium alloy. _x000D_ Application: For RS550 motor.1Perfect Match: Applicable to RS550, the carbon brush with holder assembly ensures perfect matching and stable working. 2Efficient Use: Works with good reliability under high speed, the carbon motor brush also enables high work efficiency. 3Broad Utility: Can be widely applied to driver, electric drill, electric screwdriver and many other tools, very useful. 4Good Material: The application of premium ABS and aluminium alloy material brings excellent durability for long using. 5Easy to Install: Designed to have a compact size and a light weight as well, the installation can be quickly finished. 2 x_x000D__x000D_Rs550 Carbon Motor Brush