Revamped for better performance! The venerable GraverMax tradition continues with this affordable, compact system. Features adjustable speed of 400–8,000 strokes per minute, adjustable throttle bias for tailoring response to different jobs and advanced valve pulse unit for quiet operation. Advanced ergonomics include front air pressure adjustment, quick-change air couplings, rear mount throttle connection, and an advanced valve pulse unit that operates with virtually no noise or vibration. Requires an air compressor that provides at least 1.4 CFM of oil-free air at 45 PSI. Includes precision foot pedal, dual-stage air regulator, air hoses and quick-disconnect handpiece fittings for use with all GraverMax handpieces. GraverMax G8 includes a U.S. style IEC electrical cord plus Schuko adapter, foot control, and a multi-mount air filter. GraverMax G8 is available alone and is also available with your choice of 3 of the most popular GRS Quick-Change handpieces in money-saving kits: