Frame is made of 1" diameter tubing and 1/2" diameter rods on sides and back. Unit has a durable gray powder finish and all welded 14 gauge steel shelves. Shelves are sloped 1" to the rear to retain cargo during transport. There is a 14" clearance between shelves and overall height is 58"; above deck height is 49". 6" x 2" polyurethane bolt-on casters; (4) swivel. Unit ships fully assembled. 48"W x 24"D x 58"H.