The MILWAUKEE M18 FUEL 4-1/2" - 6" Braking Grinder, Paddle Switch, No-Lock is the highest performing small angle grinder. It generates the power of a 13A corded grinder, brakes all accessories under 3 seconds, and has a 6" grinding capacity. The POWERSTATE Brushless Motor provides users with 9,000 RPM and the power equivalent of a 13A corded grinder, delivering industry-leading performance. REDLINK PLUS Intelligence ensures maximum performance and protects the angle grinder from overload, overheating, and over-discharge. The Rapid Stop Brake feature stops all accessories in under 3 seconds. Providing users high performance, advanced ergonomics, and legendary durability, the M18 FUEL 4-1/2" - 6" Braking Grinder is designed to complete the toughest grinding, surface preparation, and cutting applications with all 4-1/2" - 6" accessories. It generates the power of a 13A corded grinder, brakes all accessories under 3 seconds, and has a 6" grinding capacity. The POWERSTATE Brushless Motor provides users with 9,000 RPM and the power equivalent of a 13A corded grinder, delivering industry-leading performance. The Rapid Stop Brake feature stops all accessories in under 3 seconds Providing users high performance, advanced ergonomics, and legendary durability M18 FUEL 4-1/2" - 6" Braking Grinder is designed to complete the toughest grinding, surface preparation, and cutting applications with all 4-1/2" - 6" accessories. Milwaukee 2980-20 M18 Fuel 18V 6 Inch Paddle Switch Grinder (Bare Tool)