Swingline Staples, Optima, Heavy Duty, 3/8" Length, Jam Free, 125/Strip, 2500/Box, 1 Box (35550) SUPERIOR JAM-FREE STAPLES  Optima Premium Staples provide optimal quality and service. Backed by Swingline's jam-free guarantee, they ensure superior stapling. SHARP CHISEL POINT PREVENTS JAMS  Optima staples are designed with precision-engineered points that cleanly pierce paper every time. Perfect performance without frustrating jams or interruptions. SECURES 70 SHEETS OF PAPER  Strong staples with longer, 3/8 legs securely hold up to 70 sheets of paper, which is almost 3 times the number of pages held by standard staples. 2,500 STAPLES - Each strip has 125 staples, allowing you to keep stapling steadily. Each reusable storage box contains 2,500 staples, for long-term productivity with easy refills and fewer run-outs. WORKS WITH OPTIMA STAPLERS  Swingline backs these staples with a jam-free guarantee when used in Optima 45- (ITEM # S7048209) and Optima 70 (ITEM # S7048210 & S7087875) staplers.