First came our ATD-8PN All Terrain Dolly, now comes a NEW Heavy Duty All Terrain Dolly that handles MORE. MORE weight, LONGER lasting, MORE objects that can be handled. SOD, TURF, PLYWOOD, TILE CARPET, LONG ROLLS can all teeter on this dolly. This dolly comes standard with two 10″ pneumatic wheels in the center and four 10″ pneumatic wheels on both ends that allow the dolly to easily swivel 360º and act as shock absorbers over bumps and thresholds on ANY terrain. There are three cross members that come standard with heavy duty anti-slip rubber caps that will hold any large moveable object in place. The easy swivel base makes getting through doorways and tight spots easy. Moving made EASY.