The Griot's Garage G9 Polisher's powerful 1000-watt motor, 9mm orbit, and 6" vented backing plate provide the perfect amount of power, pad rotation, and control. It's light, comfortable, smooth running, super quiet, fun to use, and most of all highly effective. Griot's Garage has taken all the lessons learned from the decades of dual-action orbital development and evolution and poured them into the G9. This results in a tool that has six patents pending, numerous worldwide quality certifications, and the company's 100% satisfaction guarantee.