Turn your MTD-branded gas trimmer with split boom capabilities into a straight shaft pole saw with an 8in. bar on the end of an 11ft.L pole. Great for clearing bushes and trimming limbs up to 4in. in diameter. Product Type Extension, Cutting Diameter in. 16, Shaft Type Straight, Operating Height ft. 11, Bar Length in. 8, Shaft Length in. 26. Saw is easy to attach Takes up less storage space than a stand-alone pole saw Model Number: PS720. Size: L. Age Group: Adult.