Ideal for frequent medium to large size jobs. Automatically feeds, folds and collects a stack of documents. Simplified adjustment for folding different size documents. Adjustable for customized folds. Fully adjustable paper guide for ease of use and accuracy. One of the first machines in the industry to have a reversible motor to help clear paper and mistaken feeds--no handle necessary Number of Folds: 6 Fold Types: Baronial Double Parallel Half Letter for 8 1/2 x 11 sheets only Right Angle Z Folder Speed - Sheets per Hour: 10,300.PRE1217A. 1217A. Martin Yale Martin Yale Model 1217A Medium-Duty AutoFolder.