PROFORM: Electric Piston Ring Filers

For quick and precise ring grinding, look no further than the 220-volt (66759) and 120-volt (66758) electric piston ring filers from PROFORM. Just square up your ring by pressing it against the dowel pin for a clean grind. Suitable for bench or vise mounting, these high-quality aluminum filers include a 120-grit grinding wheel (replaceable with PN 66786).


  • Available with 120V (66759) or 220V (66758) adapter.
  • Replaceable 120-grit grinding wheel.
  • Quality aluminum construction.
  • Bench or vise mountable.
  • Maximum speed and affordability.


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