Jam-free, dependable performance in a classic design. Full-strip stapler opens for bulletin board tacking and crafting. Staple reload alert window reveals low staple supply to avoid an unexpected empty stapler. Adjustable, easy-to-use dual clinch system provides option of standard or temporary stapling when you need it. Handles 20 sheets of paper. High Capacity Stapling: No Flat Clinch Plate: No Tacking: Yes Staple Capacity: Full Strip 210 Staples.