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also called Paperclip

About
A standard looped steel fastener measuring about 1.3 inches long and weighing just a single gram.
While a standard Gem-style clip measures 1.3 inches (3.3 cm) in length, jumbo versions typically reach around 1.9 inches (4.8 cm). The wire itself is only about 0.04 inches (1 mm) thick, providing just enough flexibility to open and clamp onto stacks of paper. Because each clip weighs only 0.035 ounces (1 g), a small desk box holding one hundred clips weighs less than a quarter of a pound.
From Wikipedia
A paper clip is a tool used to hold sheets of paper together, usually made of steel wire bent to a looped shape. Most paper clips are variations of the Gem type introduced in the 1890s or earlier, characterized by the one and a half loops made by the wire.
Read more on Wikipedia →Text from Wikipedia’s “Paper clip” article, CC BY-SA 4.0.
1 on the site
Weight
0.035 oz (1 g)
Quick answer
A standard paper clip measures about 1.3 inches (3.3 cm) long, 0.04 inches (1 mm) thick, and weighs approximately 0.035 ounces (1 g). That gives it roughly the same weight as a single crisp dollar bill.
Typical figures, the same ones every comparison on the site uses; real ones vary.
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