M18 Fuel™ Variable Speed Braking Grinder with No-Lock Paddle Switch, 18 V, 5"/4-1/2" Chuck, Lithium-IonPowerstate brushless motor provides the power to complete the toughest grinding and cutting applications Redlink Plus Intelligence enables communication between batteries and tools, allowing for unmatched levels of performance, protection, and compatibility Variable speed provides 5 speed setting between 3,500 RPM and 8,500 RPM for greater control Rapidstop brake stops most wheels in less than 2 seconds Paddle switch design for increased comfort and