Our M18 FUEL� 4-1/2� - 6� Braking Grinder, Paddle Switch, No-Lock is our highest performing small angle grinder. It generates the power of a 13A corded grinder, brakes all accessories under 3 seconds, and has 6� grinding capacity. The POWERSTATE� Brushless Motor provides you 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 your angle grinder from overload, overheating and over discharge. The Rapid Stop Brake feature stops all accessories in under 3 seconds. Providing you with 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. The M18� REDLITHIUM� HIGH OUTPUT� XC6.0 Battery provides you with more material removed per charge and unmatched run-time in all applications. Tool-free accessory changes using the FIXTEC nut and tool-free guard adjustments mean you will experience less downtime as you work. The cordless angle grinder's grinding wheel is sold separately.