Check the listing for details. Tungsten Bucking Bar BB-21 | 0.875" x 0.875" x 2.6" long, 1.23lbs. Condition: New. Listed at 124.99 USD. You read it right -- this is the smallest Midwest Tungsten bucking bar available. 2.6" long x 0.875" wide x 0.875" tall | 1.23lbs | 90% Tungsten, 6% Nickel, 4% Copper Unbelievably dense, astonishingly heavy bucking bar rivet block. Precision machined from aerospace grade tungsten, save your hands while riveting in hard to reach spots. The edges have been rounded for safe handling. Perfect for professionals and kit plane builders alike. 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 piece, check out our other tungsten bucking bars. 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 60 years.