Details: Always use Malco Brand Staples for Superior Strength! FBSN1- 1-1/2" (38.1 mm) staples are designed for 1" (25.4 mm) foam board. FBSN2- Additional barbs on 2-1/2" (63.5 mm) staples "Double the Holding Power" in 2" (50.8 mm) foam board. Stapler and Staples (FBSN, FBSN1 & FBSN2) are compatible with most other popular brands of foam board stapling systems.
