2 pack - 4" x 21" Standard Ceramic Belts (Best for: Hard Metals)Standard Ceramic material is best used on hard metals. Can be used on a variety of materials when needing something aggressive. Y weight poly cotton blend backing 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

o   Final polishing before coating or plating

blending and deburring applications

· Premium Zirconia is best used on Stainless Steel and hard metals

stone & marble

· J-weight poly/cotton blend backing

· Can also be used for more aggressive sanding

weld grinding

· Best for curved/contoured applications on a variety of metals

·         Super Fine (800-1200): For mirror polishing or fine detailing

· Dry applications

·         Best for final finishing and polishing on a variety of different materials

·         Best for non-ferrous metals like aluminum