The quickest, easiest way to sort and file purchase orders, invoices, checks, letters and other office documents. Heavy-duty pressboard construction is durable and features insertable metal tabs and plastic windows. Features five indexing systems on 31 letter-size dividers. Dividers labeled A-Z, numerical (0-2000), January-December, 1-31 and Sunday-Saturday. Conveniently stores in a standard desk drawer. Various filing options make the sorter adaptable. For 8 1/2" x 11" documents.