Fold Types—Letter, half, Z, double parallel, French and Baronial Usage—Frequent large size jobs Folder Speed (Sheets per Hour)—18,000 Variable Speed Control Feed Table Sheet Capacity—250 Maximum Sheet Size—14 x 20 Minimum Sheet Size—3-1/2 x 3-1/2. Folding Machine Type: N/A; For Mimumim Sheet Size: N/A; For Maximum Sheet Size: N/A; Folder Speed - Sheets per Hour: N/A.