Bostitch 5000-pack Heavy Duty Premium 1/2" Staples Lot of 5 These heavy-duty staples are built tough with strong, high-carbon steel for reliable stapling. The sharp chisel points pierce through thick stacks of paper easily (up to 85 sheets!). They work with Stanley Bostitch staplers (models B310HDS and 00540) and many other brands. This box comes with a whopping 5,000 staples, so you won't run out anytime soon. Developed for Bostitch Heavy Duty Stapler Models: 00540, B310HDS, 03202 Made from superior high carbon wire for reduced buckling and jamming Finely honed chisel points for maximum penetration and sheet capacity 1/2 inch leg length (12mm) staples 55-85 sheets 5,000 staples per box