tabbies megaclip fastener is a 5" capacity fastener that allows you to access any part of the file without having to remove any of the file contents. Make notes, copy or review the pages within the file quickly and easily. For two-hole punched documents. Holes are positioned 2-3/4", center-to-center. Sets consist of self-adhesive bases, compressor bars and u-shaped extensions. Full set availability only.