Desktop Letter Folder is perfect for small jobs, small businesses, home offices, churches or associations. Folder automatically folds paper when inserted. The folded documents fit perfectly into a No. 10 envelope. Use the P6400 to accurately fold up to 36 sheets a minute and 2,200 8-1/2" x 11" documents per hour. Acceptable paper weights range from 16 to 24 lb. bond. Paper folder folds up to three sheets at a time and accepts stapled sets. Automatic start/stop allows easy one-handed paper feeding. Small footprint lets you store it right on your desk.