DENSE complement to the 1" Aluminum Cube SAME tungsten used in rocket ships and race cars SAFE edges are rounded for ideal, non-toxic handling PERFECT for teachers, your desk at work, or as every day carry (EDC) FREE certificate of conformance and interesting fact sheet with your 1" x 1" x 1" tungsten alloy cube Tungsten alloy cube. 1" x 1" x 1". High density. 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 weight, 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 Tungsten Sphere.