The GRS® GraverSmith® air system has a lean design that delivers essential functionality without sacrificing power or precision. A brushless DC motor and streamlined internal design ensure exceptional reliability and durability for years of dependable service. The GRS® GraverSmith® air system offers separate controls for power and speed, providing optimal control for a variety of applications. The front of the unit features one connection for use with any standard GRS handpiece. The included foot pedal has a larger size for improved ergonomics and delivers intuitive control of the handpiece.