Arrow JT21 series light-duty staples to fit JT21/21C staple gun.Select Option Box 1000 10mm 3/8inBox 1000 6mm 1/4inBox 1000 8mm 5/16inBox 5000 10mm 3/8inBox 5000 6mm - 1/4inBox 5000 8mm - 5/16in Add to Basket Quantity