- Includes Following "Wobble" Extension Bars:

  1/4", Length 50 MM

  1/4", Length 100 MM

  1/4", Length 250 MM

  3/8", Length 75 MM

  3/8", Length 150 MM

  3/8", Length 250 MM

  1/2", Length 50 MM

  1/2", Length 125 MM

  1/2", Length 250 MM