PER2 PWR Piezo Tip PER2 PWR Piezo Tip UPER2 The PER2 PWR Endo Revision Piezo Tip helps expose and remove root pins and removes calcification in the coronal third of the root and fractured root inserts. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.