I'd be surprised to find someone who could make tungsten weights. The melting point is like 10 times the temperature of lead and 4 times the temperature of carbon steel (around 6,000 degrees). I think you'd need a small nuclear reactor to get those kinds of temps.
Just ONCE I'd like for someone to call me "Sir" without adding, "please stop making a scene.""The problem with quotes on the internet is having to ascertain whether or not they are genuine." -- Abraham Lincoln