Product Detail Flat clinch mechanism staples 2-70 sheets of 20 lb. paper with a single staple size for unparalleled flexibility and easy, neat stacking. Precision adjustment guide for perfect alignments. Superior stapling engine for years of heavy-duty use. Simple cartridge load and unload. Uses Swingline cartridge #69495. Suction cup feet provide stability prevent skidding and marring. . The "Swingline High Capacity Electric Stapler S7069270B" is best product for you. We recommended Swingline High Capacity Electric Stapler S7069270B