STEELMASTER 3-Tier Sorter, 12.88 x 3.5 x 11.5 Inches, Black (27130004) Tiered file made of heavy duty, steel construction coated with a scratch and chip-resistant finish Pre-drilled for desktop or wall mount Stands vertically or horizontally Holds letter or A4-size documents Exclusive STEELMASTER design U.S. Patent No. D680,171