2-1/4 HP motor tackles tough overgrowth creating a defined trench. Exclusive pull-up edge guide converts edger to landscape trencher. Heavy duty 7-1/2" serrated blade with wear indicators (EB-007). 3-position blade depth adjustment with indicator. Blade rotation directs dirt and debris forward away from operator. Right or left-handed assist handle. Built-in cord retention secures extension cord. Tool-free assembly.