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Lotto Hook Double Clip or Paper Clip in various sizes

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BINDER CLIP SIZES

  • 1/2″ or 15 mm
  • 3/4″ or 19 mm
  • 1″ or 25 mm
  • 1/4″ or 32 mm
  • 1.5/4″ or 41 mm
  • 2″ or 51 mm
 
  • Box of 12 binder clips, minimum purchase, a dozen would be 12 boxes x 12 units.
  • Its body is black with silver wings.
  • Its brand may change without altering appearance and price.
  • Ideal for precisely and securely holding a good quantity of sheets, its wings serve for hanging on a nail.

USE AND HISTORY OF BINDER CLIPS

A binder clip, or bulldog clip, is a simple device for clamping many or few sheets of paper together, such as essays, archive documents or manuscripts, among other uses. The binder clip leaves the sheets intact and can be easily removed without damaging the paper, unlike stapler staples. They are constructed with a loop at the ends and a strip of folded stainless steel sheet in the shape of an isosceles triangle. The tension along the base of the triangle forces the two sides to be closed, and the loops prevent the sharp edges of the steel from damaging the paper. The loops also serve to hold the two pieces of rigid wire in place, which act as a handle and allow the clip to be opened. Compared to a paperclip, the binder clip is capable of clamping sheets of paper more securely, and it is also resistant to corrosion. There is a variety of binder clip sizes, from a base size of 9 mm to 50 mm. It is common for the steel sheet portion to be painted black, with chrome-plated handles, although a variety of decorative color schemes are also available. The steel sheet part is usually constructed of stainless steel, but can also be nickel, silver, or gold-plated.1 The binder clip was invented in 1911 by Louis E. Baltzley in Washington. At that time, the method for clamping papers together consisted of perforating and stitching them, making it very laborious to add or remove a single sheet. Baltzley invented the binder clip to help his father, Edwin Baltzley, a writer and inventor, keep his manuscripts together easily. While the original design has changed five times, the basic mechanism remains mostly the same. https://youtu.be/7nf_OxIrZN4
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