Greenworks Optimus 82V Straight Shaft Edger with (1) 8Ah Batteries and Dual Port Charger | ES161-4DPDescription: 1. 6 kW Commercial Motor provides more constant power and torque Blade: 8" Heat treated blade 2 speed Settings with variable speed trigger for more runtime or greater power High Front Handle keeps the user from bending over for improved ergonomics Commercial Gear Box provides high torque (2. 4: 1) output and extended durability Width Weight Height Length 0 Inch