Structure and savvy all-in-one. The economical Mobile Vertical File is built to withstand the rigors of a construction environment yet is equally at home in design offices. The File features steel construction with four ball-bearing swivel casters (2 locking) for glide mobility. Adjust your organizer to suit your storage. The width of the Mobile Vertical File is easily modified to fit 24" to 36" Hanging Clamps (order separately). Accommodates up to 12 clamps that simply drop in and lift out.