Abstract: A single file card, a plurality of which, all identical, are used in a stack, with adjacent ones arranged oppositely. The card has cut out conformations forming tabs at the side edges, oppositely positioned in adjacent cards. The top edge has tabs including a plurality of small tabs and a single large tab, non-symmetrically arranged to expose inscriptions on alternate cards.

Abstract: This invention relates to wrenches, specifically to wrenches commonly known as socket wrenches, and it comprises an improved versatile wrench handle and shaft to be used in conjunction with standard removable sockets and ratchets for speedily and conveniently loosening or tightening nuts or bolts by itself or with the application of other wrenches as needed, each operated by the same person or with the assistance of one or more persons. The invention comprises a `D`-shaped handle with provisions made for applying torque to the wrench handle by various means, the selection of which means is dependent upon the means most appropriate and convenient for the task to be performed.

Abstract: A pad with an extended margin is disclosed which includes a backing member that is wider than a pad of paper which is attached to it. The resulting margin is provided with three holes receptive to the rings of a binder, and right angle slits connect the holes to the longitudinal edge of the margin extension. These slits permit the pad to be inserted and removed from the binder without opening or closing the rings of the binder. A retrofit extension margin is also described which can attach various items within a ring binder.