Our M18 Fuel™ 4-1/2 to 6 in Braking Grinder, Paddle Switch, Lock on is our highest performing small angle grinder. It generates the power of a 13 A corded grinder, brakes all accessories under 3 s and has 6 in grinding capacity. The Powerstate™ Brushless Motor provides you with 9000 RPM and the power equivalent of a 13 A 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 s. Providing you with high performance, advanced ergonomics and legendary durability, the M18 Fuel™ 4-1/2 to 6 in Braking Grinder is designed to complete the toughest grinding, surface preparation and cutting applications with all 4-1/2 to 6 in accessories. The M18™ Redlithium™ High Output™ XC6 Battery provides you with more material removed per charge and unmatched runtime 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 grinders grinding wheel is sold separately. Milwaukee® M18 Fuel™ 2981-20 Braking Small Cordless Angle Grinder with Lock-On Slide Switch, 6 in dia Wheel, 5/8 in Arbor/Shank, 18 V, Lithium-Ion Battery