52" x 103" Polyester Backed Aluminum Oxide Belts (Best for: Wet Applications)Best for wet applications Can also be used for more aggressive sanding Y weight polyester backing Wet & Dry applications Choosing a Grit Coarse Grits (24 80): For heavy material removal, weld grinding, or shaping. Medium Grits (100 180): For blending, deburring, and intermediate smoothing. Fine Grits (240 400): For finishing or preparing for polishing. Super Fine (800 1200): For mirror polishing or fine detailing. Choosing a Backing Weight J Weight if

o   Light rust or oxidation removal

·         Medium (Maroon) is equivalent to 120-150 grit

· Y-Weight for tough grinding and heavy material removal on hard metals and flat surfaces

o   Final polishing before coating or plating

blending and deburring applications

stone & marble

· J-weight poly/cotton blend backing

weld grinding

·         Standard Ceramic material is best used on hard metals

·         Y-weight polyester backing

·         Best for non-ferrous metals like aluminum

o   Removing deep scratches