The Griot's Garage Long Throw Orbital Polishers have been engineered from the ground up, so experienced enthusiasts or professionals can achieve a best of show finish! The three key terms, performance, control and comfort highlight exactly what innovation and features Griot's Garage packed into the G21 unit. The G21 offers a 21mm throw. It performs exceptionally in terms of power and imperfection removal.  The G21 features a 6" backing plate and a larger throw, allowing it to tackle imperfections on larger panels in much less time.