Efficient Use: Works with good reliability under high speed, the carbon motor brush also enables high work efficiency. Perfect Match: The carbon motor brush is applicable to RS550, the carbon brush with holder assembly ensures perfect matching and stable working. Broad Utility: The motor brush can be widely applied to driver, electric drill, electric screwdriver and many other tools, very Good Material: The application of premium ABS and aluminium alloy material brings excellent durability for long using. Easy to Install: The carbon motor brush is designed to have a compact size and a light weight as well, the installation can be quickly finished., Weight: 0.25132697868 pounds, Manufacturer: Tuidzljd