Commercial grade glass filled, ABS polycarbonate brush-roller with ball bearings. 4 rubber wheels with brass bushings. 14" nozzle. Automatic height adjustment. 6.5" pigtail with (2) 30' commercial grade cords. Clear, riveted bumper guard. Reinforced front panel latch system. Tool-less belt change is quick and easy maintenance and reduces downtime. Clean-out port provides easy access to clear away debris.