Premier - PREP6500 The P6500 Letter Folder saves you from time-consuming manual folding. Use in small mailrooms, offices, churches and more. Small, convenient size is perfect for desktop placement. It folds 8-1/2" x 11" paper into Half Folds and Letter Folds. Hand-feed a single sheet or sets of up to three sheets at a time for automatic folding. This easy-to-use letter folder can also fold stapled sets. High-speed efficiency lets you fold 2,200 sheets per hour, handling sheet weights of 18 to 24 lb. bond paper (68-90gsm).