• Powerstate™ brushless motor - purposely built for the M18 FUEL™ 4-1/2 to 5 in braking grinder with ONE-KEY™ delivers 8500 rpm to provide the power to complete the toughest grinding and cutting applications REDLINK™ PLUS™ intelligence - most advanced system of electronics in the industry, enabling communication between batteries and tools, allowing for unmatched levels of performance, protection and compatibility RedLithium™ HIGH OUTPUT battery pack - provides 50% more power and runs 50% cooler vs standard RedLithium™ battery, superior pack construction, electronics and performance deliver more work per charge and more work over pack lifespan than any battery on the market Includes a RAPIDSTOP brake, to quickly stop accessories and enhance safety Slide switch designed to reduce user fatigue Tool-free guard adjustment for faster guard installations and adjustments Tool-free accessory changes with integrated FIXTEC nut technology Electronic clutch for kickback protection Overload protection to maximize motor life Anti-vibration side handle for increased user comfort and safety ONE-KEY™ tool tracking and management Compatible with all M18™ batteries

The Milwaukee® M18 FUEL™ 4-1/2 to 5 in Braking Grinder with ONE-KEY™ Slide Switch, Lock-On is the next advancement in power and performance of cordless grinders while enhancing safety with its RAPIDSTOP Brake. The M18 FUEL™ 4-1/2 to 5 in Braking Grinder with ONE-KEY™ generates 11A corded power to complete the toughest grinding and cutting applications. The Powerstate™ brushless motor delivers maximum sustained power and 8500 rpm to remove material faster and increase productivity. REDLINK PLUS Intelligence ensures unmatched levels of performance, protection and compatibility. The RAPIDSTOP Brake provides stop times under 2 s with an abrasive disc. This battery-powered grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. Compatible with ONE-KEY, this grinder wirelessly connects to a smartphone to track and manage the tool, providing visibility to where tools are across a network of jobs. The M18™ RedLithium™ HIGH OUTPUT XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than the M18™ RedLithium™ XC Batteries. Experience faster accessory changes and less downtime with tool-free accessory and guard adjustments, while remaining fully compatible with the most common accessories in the market. The M18 FUEL™ 4-1/2 to 5 in Braking Grinder with ONE-KEY™ is the next level of jobsite productivity and enhanced safety in cordless grinders.