Surface Prep Buff and Blend Discs should be used for moderate surface cleaning and deburring smoothing before polishing Constructed of abrasive infused nylon webbing that is compressed to allow for a fast and effective removal of tarnish rust and other buildup on the underlying metal with ease After surface preparation one may choose to follow up with sanding at 320 Grit to remove any remnants left behind by the disc or use our satin airway buff to remove the surface prep medium lines The next stage would be the use of our ultra fine satin airway Buff in preparation for final buffing For a final polish use the Tripoli compound and an Airway Buffing Whee on aluminum or black magic with a red airway for stainless steel metal finishing The discs are 1 and 2 -ply to help reduce lines while preparing metal Each ply is epoxied together to prevent