Arrow Fastener 586 Bostich STCR5019 3/8-Inch Staples, 1,000-Pack Bostich STCR5019 3/8-Inch Staples 1,000 per box Round crown with 15/32-inch width For use in T5-8, T5-8D4, T15, T15C, T5-8OC, EHS30C, EHS50, EHS300, ET5-8, H30-8, PC4000, PC5000, and 584 series