Max EH-20F Max EH-20F Flat Clinch Anti-Jam Elec Stapler and Stapler Cartridge, 25 Sheet Cap EH-20F 20-sheet capacity electronic stapler provides flat clinch stapling and features anti-jam mechanism. Quiet motor-driven mechanism lets you quickly power through stacks of paper--up to 2,000 times without reloading. Staples up to 25 sheets. Flat-clinch stapling so stacks of papers lie flat. Anti-jam mechanism provides trouble-free operation.