Check the listing for details. 1cm Tungsten Cube - Smallest Size!. Condition: New. Listed at 39.99 USD. The Tungsten Cube - 1cm This product is the incredibly popular tungsten cube. 1cm x 1cm x 1cm. Now you can easily get a piece of your own aerospace grade tungsten! Each weight has a dimension of: 1cm x 1cm x 1cm or 0.40" x 0.40" x 0.40". Weight: 0.64oz or 18 grams each 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 centimeter tungsten cube, check out our larger tungsten cubes for even more wow-factor! Tungsten is our specialty! Avoid re-sellers, order direct from us, the manufacturer, Midwest Tungsten Service! MTS (tungsten.com) sells direct to consumers here in our factory eBay store.At Midwest Tungsten Service, we are the tungsten experts. Founded in 1958, MTS has been working with these materials for over 55 years.