Festool 769110 Surface Grinder Brush Ring BC-RG 130 better extraction efficiency and delivers work results. This brush ring automatically adapts to surface unevenness, significantly increasing dust extraction efficiency. Its flip-up segment design allows for grinding right up to the edge, while the spring-loaded brush ring ensures less wear over time. I for all work with the RG 130, this brush ring enhances performance by maintaining optimal contact with the surface, resulting in cleaner and more precise grinding. Model Number: 769110