Many offices use a 2 hole punching pattern to insert papers and documents into file folders. The spacing for the 2 hole pattern doesn't match a typical 3 hole punch, and thus invest in a different unit designed specifically for that application is needed. Keep an eye out for punches that will actually do both a 2 and 3 hole punch, including many adjustable punches. The punches listed below are an excellent choice for two hole punching documents and are incredibly easy to use. Set up the guides to center your sheets and you are set. Choose your unit based on the capacity, construction and price.