Safco E-Z sort sorter module helps keep your mailroom organized and running efficiently. The heavy-gauge steel, with a black, powder coat finish, stands up to years of heavy mailroom activity. Twenty 11"W molded compartment shelves, each with finger cut-out and label holder, adjust in.75" Increments to form up to 25 shelves. Greenguard Certified, The module can stand alone or be stacked two high in mailrooms, factories, mailing centers ̶ anyplace that needs Efficient, effective sorting equipment