Sold as 5000/Box. Staples up to 30 sheets: item # 272609 model # 50201, item # 052659 model # 50204, item # 504571 model # 69001 and item # 041508 model # 69008 1/4" leg length 5,000 staples per cartridge Use only with select Swingline staplers: 472555/50201, 504571/69001 and 041508/69008. Sharp chisel point staples through more sheets with less jamming Easy to insert 5,000 staples per cartridge, 1 cartridge per box One cartridge per box .