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Professionally laser engraved with elemental symbol and technical data. Includes certificate of chemical composition and interesting tungsten facts. Machined from aerospace grade tungsten, this 1.5" tungsten alloy (95% tungsten heavy alloy with nickel/iron for the remainder) cube is an excellent contemporary addition for your desk at work or side table at home. Surprise your colleagues and friends with the cube's density, weighing 1.0 kilogram, yet fitting into the palm of your hand. Tungsten is one of the densest naturally occurring elements, and now you can add one of nature's wonders to your own collection. If you like the cube, don't forget to check out our other tungsten, tantalum, and aluminum shapes and toys.
1.5" cube: 2.2 lbs (1kg)
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The tungsten cube is pretty much as described. Mine is actually about 1.6 grams heavier than a kilo, so no complaints there. Picking it up, it seems like it's 2-3 times heavier than one would expect from a regular metal cube of that size. The engraving is flawless.