Top-quality, heavy-duty staples provide clean, consistent stapling you can rely on. Sharp chisel points allow easy penetration and reduce jamming. Staple Type: Heavy-Duty; For Use With: Bostitch? 00540, B310Hds; Boston? 73131; GBC? 224XHD, 213HD; Rapid? HD170; Swingline? 113XD, 900XD, 13-16, 390, 415; Universal? 43043; Leg Length: 1/2"; Sheet Capacity: 90.