24 pre-configured units provide an assortment of storage solutions to meet every need. All steel units are formed from heavy-duty 14 gauge steel and have a smooth powder coat finish ensuring years of use. Three different heights to choose from: 24", 48" or 70". Units are single sided or double sided. Double-sided units can be made mobile with the addition of the QFS-400 (mobile kit). All single sided and double sided units must be securely fastened to the floor to ensure stability. Interlocking Storage Cabinet Units come complete with drawers, clear windows and two dividers per drawer. Exterior Cabinets are available in Gray only. Drawers are available in Gray, Blue, Red and Ivory.