The basics This rack is one of the most popular racks on the market. Note: square tubing is more durable and stable, it also allows for a more secure fit of the top bar than the round tubing rolling rack. The benefits As well as being collapsible, this Salesman's Rolling Rack is portable and adjustable. Sets up or knocks down in seconds. No tools necessary. Folds flat for easy storage and transport. The uses Ideal for Fashion Shows, Stores, & Salesmen.  The specs - Adjusts from 48" to 65" high.- Upright poles are 48' apart. - 12" pullout on each side of top bar allows  72" (6ft.) of hanging space.- The rolling rack folded is 48" long x 22" wide x 5" high.- Chrome plated 4" square tubing frame.- 22" wide at the base.- The easy-rolling 4" diameter ball bearing wheels/casters fold away.