This Tungsten Bucking bar weighs about twice as much as a standard steel bucking bar. The heavier bar makes it much easier to set perfect rivets every time. The size of this tungsten bucking bar makes for an easy fit into tight areas to buck your rivet. Every builder that has used the Tungsten Bar says they will never go back to steel. This is one of those investments you will be happy with every time you buck a rivet.