Bostitch Staples - S2 Series - 1in Crown - 16 GA - Bright - .75in 16-Gauge brite 1" wide crown construction staples. For use in Stanley Bostitch stapler models: 438S2, 438S2R &amp; T40S2. Finish: Brite Size: 3/4"x1" Thickness: 16 Gauge