18V, 4-1/2", Angle Grinder With No Lock On Paddle Switch, Bare Tool, No Battery Or Charger Included, Powerful EC Brushless Motor, Optimized Gear Structure Delivers Long Runtime For All Day Grinding Tasks, 2 Position Vibration Control Side Handle Offers Comfortable Control, Outstanding Cutting Ability Optimized For Metal Applications, Burst Resistant Wheel Guard For Additional Protection To User, Restart Protection Prevents Accidental Startup When Switching Batteries, Lifetime Brush Design Provides Durability For Long Motor Life, Large Spindle Lock Presents Convenience & Easier Change Of Accessories.