- RS550 Motor Carbon Brush Holder: This set includes 2 carbon brush holders and 8 replacement carbon brushes, ensuring you have everything you need for easy maintenance. - Durable Materials: Crafted from high-quality materials, this product guarantees long-lasting durability and reliable performance, reducing the need for frequent replacements. - Wide Compatibility: Designed to work with multiple models including 629817-8, 6270D, 6227D, GSR4-2, GSR10.8-2-LI, and GSR12-2-LI, making it versatile for various devices. - Effortless Replacement: The included carbon brushes make swapping out worn brushes quick and straightforward, allowing for smooth operation and enhanced performance of your tools. Use Scenarios: 1. Perfect for DIY enthusiasts who frequently use power tools and require reliable components for optimal functionality. 2. Ideal for professionals in construction or woodworking needing dependable parts for their equipment to maintain productivity. 3. Suitable for hobbyists working on electric models or robotics, ensuring consistent power and performance with easy brush replacements.