PrintWorks Professional Pre Punched Paper, 7 Hole Punch Left For 2 Ring & 3 Ring Binders & Side Fastener File Folders, 8.5 x 11, 20 lb, 500 Sheets (04342) PrintWorks Professional 7 hole punch paper saves you countless hours of time spent manually 7 hole punching forms and documents 5-10 sheets at a time - just print & file! Manufactured with crisp, straight hole punches that line up from sheet to sheet, PrintWorks pre-punched printer papers keep your forms and documents in correct alignment making them easy to print and insert into file folders with side fasteners and 2 ring and 3 ring binders. PrintWorks pre punched copy paper is dust and debris-free and lays flat making it ideal for both desktop and high-volume production printing and copying - PrintWorks 7-hole side punch is guaranteed to run jam-free on inkjet and laser devices. PrintWorks 7 hole left punched 20 lb. paper is compatible with most file folders with prong fasteners and 2 ring and 3 ring binders. Holes measure 5/16" inch. Center to center between the first, fourth and seventh hole measures 4 1/4" inches. Center to center between the second and sixth hole measures 4 1/2" inches. Center to center between the third and fifth hole measures 2 3/4" inches. Premium PrintWorks quality since 1964. Made in the USA from domestically sourced, environmentally friendly paper. 500 sheets per ream, 8.5 x 11, 20 lb., 7-hole left punched, 92 bright white paper packaged in an easy-open poly wrap.