Makita is giving landscapers more options with the Edger Couple Shaft Attachment for MM4 4-Stroke Couple Shaft Power Heads (sold separately). It has an 8 steel blade with a guide marking on the blade guard for cleaner, more precise cuts. It includes an adjustable wheel for quick and easy adjustment to the desired cutting depth. For added durability, the metal skid plate is engineered to protect the gear housing.