Invar Cubic Inch by Craighill

$77.00 CAD
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An extremely precise cubic inch. Made of Invar, the most dimensionally stable metal alloy in existence. It's a desk object, a measurement tool, and fun thing to absentmindedly fiddle around with while you're stuck on a conference call. 

You can learn more about the development of this product and the history of Invar here.

Specifications
1" x 1" x 1" Invar cube
0.001" precision
Weight 4.7oz