Heavy-duty staples deliver reliable heavy-duty stapling performance. They are compatible with any heavy-duty stapler especially the Bostitch-PaperPro Spring-Powered Premium Heavy-Duty Stapler. Have a big project on your hands? Staple up to 100 sheets with these Bostitch 1/2” heavy duty staples! The leg length is what gives these reliable staples such power. Made with chisel points for ultimate penetration these staples will never let you down. Comes in 1 000 per box. For use in Bostitch model 1300. Crown width is 1/2 inches and leg length is 1/2 inches. Each staple fastens 40 to 100 sheets. Paperwork can be a hassle but stapling it shouldn t be. With Bostitch Heavy Duty Staples tackle your big jobs of up to 100 sheets with ease and enjoy reliable performance when you need it most. Designed to be compatible with most heavy duty staplers. Ideal for home office or school. Staples have a 1/2” leg length. Pack of 1 000 staples.