A convenient and simple truck for handling all upright pianos...one man can easily lay the piano on its back. 4-1/4" diameter, 1-1/2" face front rollers...swivel rear casters to make it possible to swing pianos around in small space. Sturdy, all metal construction. Folds very compact and flat in 58-1/2" long x 25-1/2" high x only 9-1/4" side...can be carried easily in a car or a truck...no trouble getting through narrow doorways and passageways. Easily set up and LOCKED with two wing nuts...WON'T collapse. Opened overall dimensions: 56" long x 25-1/2" wide. Weight 53 lbs.