- Each Tungsten Cube is 1/4" (.25"x.25"x.25") and weighs exactly 4.8g (.167oz)
- Cubes pack tightly which allows you to place weight in a small space. Precise weight placement in a pinewood derby car results in maximum speed.
- Tungsten is 1.7x denser than lead, which means tungsten is 1.7x smaller than lead. Tungsten is 2.7x denser than zinc.
- Tungsten is child-safe non-toxic.
Technical Notes: - This is Class 3 tungsten, 95% pure. It is an alloy of 95% pure tungsten and 5% nickel and iron.