Master Mechanic, 20V, Lithium-Ion, 6-1/2", Cordless Circular Saw, 4000 RPM, Features Trigger Switch With Brake, Spindle Lock For Blade Change, 0-45 Degree Bevel, Cast Aluminum Upper Guard, Poly Carbonate Lower Guard & Steel Base, Maximum Cutting Depth 2-1/4", Ergonomic Design, Over Molded Soft Grip, accepts any 5/8" Arbor Blade. Includes: 24 Tooth Tungsten Carbide Blade, Rip Guide, 3Ah Samsung Battery With Charge Indicator & 2 Hour Quick Charger, For Replacement Battery Use #211881 & Charger #211880.