Safco Mobile Vertical File (5059)Built to withstand the rigors of a construction environment and is equally useful in design offices. Steel construction with four ball bearing swivel casters (two lock). Width adjusts to fit 24" 30" or 36" hanging clamps (clamps not included). Holds up to 12 clamps that simply drop in and lift out. Height adjusts to hold drawings up to 48" long. Stores up to 1200 3 mil sheets or 240 lbs. Easy set up. 27 1 2" to 39 1 4"w x 16"d x 40" to 52"h. Tropic