Patented 2nd generation gear design • Less daily micro-traumas on hand and arm muscles • Ergonomically designed for ease of use • Color-coded angle shells and cups for easy ID • Allows hand and wrist to operate with less effort as compared with traditional DPAs • Will not produce loud noise during operations like the other comparable DPAs on the market • New Torque cup minimizes splatter, improves efficiency by at least 15%, and offers better interproximal cleaning • Guaranteed no cup dropping • 100% Latex-free