Specifications: The C-Line Heavy Duty Sorter makes filing fast! The sorter helps accounting professionals track when invoices are due or bills paid by utilizing the numeric dates (1 - 31). Teachers can organize homework and tests alphabetically throughout the week, making it easy to hand-out graded assignments on Friday. This organization tool can even be used at home for keeping track of household bills; organizing the documents by month will make it easier to reference them in the future. Heavy-duty pressboard construction with insertable metal tabs. Conveniently stores in a standard desk drawer. 5 indexing systems on 31 letter size dividers. Alphabetical, numerical (0-2,000), monthly, dates (1-31), days of week. 2-1/2 inches x 25-3/8 x 1-1/4 inches.