Head swivels 60 degrees for stretching angles or into corners. 5 ft (1.5 M) long, adjustable extension tubes reach up to 23ft 4in (7.1 M). Extension tubes have easy adjustable locking mechanism to extend without having to use push buttons. Adjustable pin penetration and easy to reach locking mechanism. Comes with: power unit, 18" (457 mm) tail block with wheels, three 3ft (914 mm) extension tubes, one transfer tube, one adjustable locking tube, carrying case with wheels for easy mobility. For stretching carpet at angles, across floors, or into corners without marking walls. Great for new construction, remodeling or renovation projects