Milwaukee's M18 FUEL? 4-1/2" / 5" Grinder Paddle Switch, No Lock is the next advancement in power and performance, generating 11A corded power, fastest cutting, and delivering up to 135 cuts per charge. The M18 FUEL? 4-1/2" / 5" Grinder generates 11A corded power allowing you to complete the toughest grinding and cutting applications, all on the M18? Cordless System. The POWERSTATE? Brushless Motor delivers maximum sustained power and 8,500 RPM to remove material faster and increase productivity. REDLINK PLUS? Intelligence ensures unmatched levels of performance, protection, and compatibility. The M18 FUEL? 4-1/2" / 5" Grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. The M18? REDLITHIUM? HIGH OUTPUT? XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than Milwaukee's M18? REDLITHIUM? XC Batteries and are compatible with 200+ Tools in the M18? System. With tool-free accessory and guard adjustments, you will experience faster accessory changes, and less downtime, while remaining fully compatible with the most common accessories in the market. The MILWAUKEE? M18 FUEL? 4-1/2"/ 5" Grinder takes cordless grinders to the next level in performance and run-time.