S4 PWR Piezo Tip S4 PWR Piezo Tip UPS4 The PWR S4 Piezo Tip carries a universal curette design with with 45° angled, triangled and slightly curved surface. Intendeded for calculus removal on mesial and distal interproximal surfaces in the posterior area. Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutron™ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron