Feature: 1. Perfect Match: Applicable to RS550, the carbon brush with holder assembly ensures perfect matching and stable working. 2. Efficient Use: Works with good reliability under high speed, the carbon motor brush also enables high work efficiency. 3. Broad Utility: Can be widely applied to driver, electric drill, electric screwdriver and many other tools, very useful. 4. Good Material: The application of premium ABS and aluminium alloy material brings excellent durability for long using. 5. Easy to Install: Designed to have a compact size and a light weight as well, the installation can be quickly finished. Specification: Item Type: RS550 Carbon Motor Brush Material: ABS, aluminium alloy. Application: For RS550 motor. Package List: 2 x Rs550 Carbon Motor Brush