Self-contained storage system features steel construction with four ball bearing swivel casters (2 lock). Width adjusts to fit 24" to 42" size Hanging Clamps. (Please order Safco Binder Hanging Clamps separately). Holds up to 18 clamps that simply drop in and lift out. Some assembly required. Easy set up. Plan center is available in Tropic Sand only. Overall dimensions: Width adjusts from 25-3/4" to 43-3/4". Depth is 20-1/2". Height is 51".