M18, 18V, 6-1/2", Cordless, Lithium-Ion, Circular Saw, Bare Tool, No Battery Or Charger Included, Motor Delivers 3,500 RPM, Provides Powerful Lightweight Cutting For A Variety Of Applications Including Plumbing, Electrical, Framing, Finishing & Carpentry, Electronic Brake Stops Blade Quickly, Heavy Duty Magnesium Guards For Maximum Durability, Aircraft Aluminum Shoe Provides Greater Accuracy, Ergonomic, Compact & Lightweight Design With Soft Grip Handle For Operator Comfort, Replacement Battery: TV #190-415, TV #111-525, TV #211-450, TV #111-528, TV #190-417, TV #227-136 & TV #227-137, Compatible With TV #111-528.