Bostitch Sx503513/8ss-1m 1-3/8"leg 18-gauge 7/32" Narrow Crown Stainless Steel Staples(1000) Length: 1-3/8" Material: Stainless Steel Thickness: 18 Gauge Width: 7/32" For use in Bostitch stapler models: SB-2in 1&amp; SB- 150SX