Description Keeps important files and documents in plain view. Patented ViperPin technology attaches to any tackable surface Securely holds up to 5 lbs. without damaging mounting surface 1½” pocket capacity (375 sheets) Fellowes® Partition Additions™ File Pocket keeps important files and documents in plain view. 1½” pocket capacity (375 sheets). Patented ViperPin™ technology attaches to any tackable surface. Securely holds up to 5 lbs. without damaging mounting surface.