The MILWAUKEE M18 FUEL 4-1/2 in. / 5 in. Variable Speed Braking Angle Grinder, Paddle Switch No-Lock is the newest addition to Milwaukee's battery-powered grinder lineup, generating 11A Corded Power, 5 Speed for Increased Control, and RAPIDSTOP Brake for Enhanced Safety. The POWERSTATE Brushless Motor delivers 3,500- 8,500 RPM and maximum sustained power to complete the toughest grinding and cutting applications, allowing users to push their cordless angle grinders harder and longer than ever before. REDLINK PLUS Intelligence ensures unmated levels of performance, protection, and compatibility.