The quickest, easiest way to sort and file various 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. Indexed Sorters Type: Indexed Sorter; Index Tab Style: A-Z; 0-2000; Jan.-Dec.; 1-31; Sun.-Sat.; Number of Leaves/Dividers: 31; Document Size: Letter.