Fold Type—Letter Usage—Occasional small size jobs Folder Speed (Sheets per Hour)—1,800 Maximum Sheet Size—8-1/2 x 11 Minimum Sheet Size—8-1/2 x 11 Paper Weight Range in Lbs.—16-24 Number of Folds—1. Folding Machine Type: N/A; For Mimumim Sheet Size: N/A; For Maximum Sheet Size: N/A; Folder Speed - Sheets per Hour: N/A.