The MILWAUKEE® M18™ Brushless 4-1/2" / 5" Grinder provides power and runtime while maintaining a compact size. Milwaukee built and optimized the 11,000 RPM brushless motor specifically for cutting and surfacing applications. The brushless grinder, paired with built-in REDLINK™ Power Tool Technology and REDLITHIUM™ Batteries, efficiently delivers power and provides longer battery life, allowing for up to 80 cuts in ½” rebar. With the XC5.0 battery attached, the brushless grinder body weighs only 4.6 lbs and measures 12.25” in length. The brushless grinder includes an electronic clutch for kickback protection and overload protection to maximize motor life. The 5/8"-11 spindle and tool-free guard adjustments provide faster adjustments and less downtime, all while being fully compatible with the most common grinding accessories in the market. The compact and lightweight construction allows for excellent control and comfort. The all-metal gear case ensures the brushless grinder is built to last and gets the job done every time.