Limited quantity available! Enjoy an endless opportunity for metaphors and puns. Shock and amaze unsuspecting initiates into the world of metallurgical wonders. Tungsten alloy cube 2.5" x 2.5" x 2.5". Tungsten is very high density and surprisingly heavy. Great conversation piece. Includes certificate of chemical composition and interesting tungsten facts. Machined from aerospace grade tungsten, this 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 10.19 lbs / 4.62 kg. 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 cubes, don't forget to check out our Tungsten Sphere or Tungsten/Aluminum cube sets.