Martin Yale P7200 Premier Rapid Fold Automatic Desktop Letter/Paper Folder, Automatic Folding of 8 1/2" x 11" Paper and a Stack of Documents, 4000 Max Speed per hr, Includes Stacking Tray For use in smaller mailrooms, offices, churches and associations, They operate at speeds of up to 4000 sheets per hour Automatically feeds and folds a stack of documents, Feed tray holds up to 50 sheets of paper Folds up to 3 sheets at a time using the manual bypass, including stapled sets For use with 8-1/2" x 11", 16 lb to 28 lb. bond paper, 60gsm to 105gsm Includes stacking tray for convenient folded document collection, Creates four folds: Letter, Half, Z-fold and Double-Parallel