"The Milwaukee M18 Cordless Cutoff/Grinder provides speed, durability and ease-of-use to the industrial user. Built with a Milwaukee 4-pole motor, the 2680-20 delivers maximum power when cutting or grinding. L-shape intake vents protect the cutoff/grinder by keeping harmful debris from entering the tool and damaging internal components. SAVE MONEY by replacing or adding specific tools that work with the M18 Lithium-Ion battery and charger you already own. The Milwaukee M18 bare tool system lets you choose the tool you need to get the job done - without buying a complete kit. Add a Milwaukee bare tool to your M18 cordless system today. Switch Type Paddle, Wheel Diameter in. 4 1/2, Variable Speed No, Spindle Lock Yes, Side Handle Yes, Speed RPM 9,000, Wheel Included No. Tool only battery sold separately Powered by an 18V LITHIUM-ION battery not included Overload protection prevents damage to the tool and battery Paddle switch for comfort and ease of use when operating in various positions Tool-free, burst-resistant guard for quick, easy guard adjustments Up to 35 faster cutting speed Up to 50 more cuts on a single charge"