The 4 Cycle Straight Shaft String Trimmer brings power, less hassle, and performance to your lawn maintenance. The 4 cycle low emission engine and REEL-Easy bump feed string head make trimming your yard a breeze while keeping the air around you cleaner. The straight shaft allows for extended reach trimming under decks, around obstacles, and in hard to reach places. With the RYOBI 4 Cycle string trimmer, you no longer have to worry about mixing gas and oil. This innovative unit is attachment capable, accepting all nine of the Expand-It universal outdoor attachments. Backed by a RYOBI 3 year warranty while offering less hassle and mower power, the RYOBI 4 Cycle Straight Shaft Trimmer is the residential string trimmer of choice.