Martha Stewart MTS-EDG1-MBK Electric 2-in-1 Edger and Trencher (Black)Now you can create a clean looking edge or cut a crisp trench with professional results, every time. The powerful 12 amp high torque electric motor and 7. 2" double edged blade creates a neat line along flower beds, walkways and borders while 3 position depth adjustment controls the cut. Next, dig deeper to quickly trench lighting cable, landscape irrigation or an invisible dog fence. Adjustable height and handle for maximum comfort control.