20V, Max, Lithium-Ion 4-1/2" Cut Off Tool Kit, 6,500 RPM Motor Provides High Power For Cutting & Grinding Applications, Quick Change Wheel Release Allows For Tool Free Wheel Changes Without Need For A Wrench, Tool Free Guard Allows For Quick, Easy Guard Adjustments/Positioning, 2 Finger Trigger Switch With Lock Off Button For Convenient Activation & Easier Gripping, 2 Position Side Handle Offers Greater Control, Comfort & Versatility, Includes: (2) 20V Max Lithium Ion 5.0 Ah Battery Packs, Spanner Wrench, Type 1 Cutting Guard & 2 Position Side Handle, For Replacement Battery Use TV #205-576.