PAPER FASTENER CRYSTALFILE TWO PIECE STEEL BOX 50

The original two-piece steel fastener from Chrystalfile has become the industry standard and has stood the test of time. These fasteners are easily inserted through suspension and manilla files and they also make the file spill-proof and they help compress papers to save space.
Handy binding system for single and multiple sheets and documents.
80mm centres with 50mm prongs.