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3D3DBeryllium copper irons (golf clubs).
Golf clubs are categorized by what they are made of: There are "woods" and there are "irons". The woods are not often made of wood (titanium or aluminum are common) and the irons are often not made of iron, as you can see in the case of these beryllium copper irons. Maybe I'm the only one who thinks it's funny to use three different element names in a row to describe a golf club, but then I think most things to do with golf are silly.
Beryllium copper is an alloy of copper often used for tools that need to be reasonably strong and reasonably hard, but that more importantly need to not create sparks when used. This is important if you are, for example, working on an oil well and are drenched in flammable fluid while using the tool.
Source: eBay seller dp63
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $30
Size: 4"
Purity: <5%