Sparco 2-3/4 in C-C Complete Prong Fastener Set comes with a non-corrosive finish for durability and has a paper holding capacity of 2 in. This silver file fastener neatly and compactly binds papers for convenient access. This top-grade steel prong fastener makes papers spill-proof. You can conveniently punch holes in paper, place them over the fastener prongs and secure with compressor, sold as 50 per set.