RapidFold Auto Desktop Folder automatically feeds and folds a stack of paper with dimensions up to 8-1/2" x 11". Use in mailrooms, offices, churches or clubs. Folds up to 4,000 sheets per hour. Easily adjusts to create letter and half folds. Folds paper weights from 16 to 28 lb. bond. Feed table holds up to 50 sheets of paper. Handy bypass feeds up to three sheets with or without staples. Includes stacking tray.