No-Jam Technology eliminates frustrating staple jams Staples 2-45 sheets, Fast top-load design for easy staple reloading All metal construction for superior performance and durability Uses 1/4 or 3/8 Inches premium B8 PowerCrown staples Comes with Stapler and 4 boxes of 1/4" staples The B8 Xtreme Duty Plier Stapler offers you the legendary Bostitch B8 performance in a heavy duty plier stapler! Its capacity to staple a sizable up to 45 sheets of paper or light corrugate/fiber board makes it great for mailrooms, administrative duties, retail and manufacturing and packaging operations. The easy squeeze lever action offers you powerful penetration with minimal effort while the innovative No-Jam technology eliminates frustrating staple jams. It's all metal construction will provide a lifetime of precision stapling. 7 Year Limited Warranty Also comes with 4 boxes of 1/4" staples