The Dynabrade Dynaorbital Extreme Combo Pack, No. X3161H, contains a 3" Mini-Dynorbital Extreme, No. X31, and a 6" Dynorbital Extreme, No. X61H. The sanders are designed to assist technicians with stripping paint quickly and efficiently as well as finishing color and/or clear coats. The 3" sander has .1hp and weighs 1.17 lbs, while the 6" sander ha...