Rapesco Heavy-Duty 923 (Type 23) Staple Multipack 5/16"-1/2", Resealable Pack of 3,200 Staples (1246) Compatible with staplers that load Rapesco 923, Rexel 23, Rapid 9 and 23, Novus 23, Bostitch SB35 and Swingline Heavy Duty Staples as well as other 23-type staplers Assorted length staples (5/16", 3/8" , 1/2" and 0.51") with 800 of each Packaged in a resealable blister pack which makes changing staples quicker, easier and more convenient Heavy duty easy-action performance helps reduce effort required Galvanized finish