5 Pack Bostitch STCR50193/8-1M 3/8" Heavy Duty 7/16" PowerCrown Staples - 1000 per Package Fits Bostitch Tools PC1000, PC2000, PC4000, PC4000-OC1, PC5000, H30-8, P6C-8, USO56-1 1000 Staples per Package 7/16" PowerCrown 3/8" Leg Length