The Martin Yale SmartFold™ 2051 paper folder with automatic preset fold size settings makes quick work of any folding job. The Martin Yale SmartFold will fold documents from 2-1/2" x 5-1/5" to 12" x 18" and with paper weights from 18 lb. bond to 90 lb. index. The Martin Yale 2051 provides a 500 sheet feed hopper. An exit tray with conveyor belts, creates neatly stacked folded sheets. The Martin Yale 2051 has seven preset fold settings and allows up to 10 custom folds. The 2051 pre-programmed fold types include letter, z-fold, half, double-parallel, gate, engineering (short z-fold), and church fold. The 2051 paper folder has variable speeds that can be set from 3,000 to 15,000 sheets per hour of paper and folds paper weight from 18 lb. bond to 90lb index. The Martin Yale Smartfold 2051 folder is ideal for all your friction folding needs.