Pairs perfectly with our 2.5" Tungsten cube! Complete your cube collection! Enjoy an endless opportunity for metaphors and puns. Shock and amaze unsuspecting initiates into the world of metallurgical wonders. Aluminum alloy 2.5" x 2.5" x 2.5" cube. Great conversation piece. Includes certificate of chemical composition. Machined from precipitation-hardened aluminum alloy, 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. If you like the cube, don't forget to check out our Tungsten Cubes and Spheres.