5 PCS Element Cube Set 10mm Density Cubes Up to 99.99% Pure,Iron,Copper,Aluminum,Zinc,Chromium Metal Cubes

Element Cubes set includes:Carbon Metal Cubes 1.79g C?99.9%,Molybdenum Metal Cubes 10.515g Mo?99.93% ,Tin Metal Cubes 7.3g Sn 9999%,Titanium 4.57g Ti?99.5%,Bismuthh Metal Cubes 9.8g Bi9999% ,Nickel 10mm8.64g Ni?99.5% There are a few metals we can meet in daily life, and now it is easy to get them collected, with 99.5%-99.99% high purity. They are almost the best purity you can get in the industry with reasonable prices. With 10mm (0.39"), the cubes are hand made with +/-0.05mm tolerance, very accurate cubes with NO sharp edges. Each of them has been protected in vacuum sealed bag to pevent from oxidation