GM-TECH Abrasive Cutting Compound GM-1 Extra is a rubbing compound formulated for automotive body shop paint work. The GM-1 Extra formulation provide fast cutting capabilities to remove #1200 sand grit marks & heavy scratches without requiring further wet sanding. ​ DIRECTIONS ​DO NOT APPLY THE COMPOUND UNDER DIRECT SUNLIGHT OR ONTO A HOT SURFACE. 1.Use Jeans, Velvet or Wool Pad for the desired effective defect removal. 2.Apply enough product onto a clean working cool panel. 3.Use a Rotary at approximately 1900 - 2300 rpm. Apply with light to medium pressure. 4.Inspect paintwork and allow surface to cool down before continuing. 5.For extra glossy finish, repeat with Maroon Foam Pad and GM-TECH Ultra Fine Polish 21+ for Best Finishing Results.