Thunderball possesses a highly durable wrecking ball, altered due to exposure to the Wrecker's power. The ball is attached to a four foot long chain. The wrecking ball, when thrown, can change its direction in midair and is capable of returning to Thunderball in a similar fashion as Wrecker's crowbar and Thor's hammer. Thunderball has sufficient strength to spin the wrecking ball on its chain fast enough to deflect bullets and automatic gunfire. By slamming the wrecking ball on the ground, Thunderball can cause minor localized earthquakes, knocking his opponents off-balance. It is also durable enough to be thrown into buildings and other structures, knocking them down with no damage to itself.
Thunderball loses his strength at times when separated from the wrecking ball for extended periods. Reconnecting with his wrecking ball (or Wrecker's crowbar) can restore him.