*Adjustable jaws with locking feature to
  suit both hexagon & octagon wheel
  bearing lock nuts
*Includes three sets of pins to fit lock
  nuts with pin holes
*Capacity:
  6PT lock nuts: 1-3/4" to 5-1/4" (49-135mm)
  across the flats
  8PT lock nuts: 1-3/4" to 5-5/8" (49-143mm)
  across the flats
*Pin diameters:
  1/4" (6mm)
  5/16" (8mm)
  3/8" (10mm)