Engler Piezo tips are made out of surgical stainless steel and precision machined to the highest degree of uniformity, heat treated and tempered to the desired resiliency. True follow through hollow tips allow water to flow internally through the tip directly to the operative site, cooling and lubricating the tooth and washing away the dislodged calculus. Engler Piezo long flat perio tip is used of subgingival scaling below the gumline.