Surebonder 33516 Arrow P22 Type Light Duty 5/16-Inch Leg Length, .476-Inch Crown Staple, 1050/Box, 5 Boxes SUREBONDER supplies high quality fastening products. Surebonder staples will meet all of your stapling needs. Our staples are designed for use with Surebonder staple guns and many of the other top name brand staple guns. ANSI Z87.1 Always wear safety glasses.