3 Prong Insert (Duotang)

Our 3 Prong Inserts (Duotang) have 3 sets of metal prongs, which line up with 3 hole punched paper or documents to secure them inside a folder. Secured by stitched into the inner spine portion of a folder, these 3 Prong Inserts have a 3/8″ capacity and can hold (~50) 8 1/2 x 11 sheets of hole punched paper. Folder not included.