25 pack - 1/2" x 24" Standard Zirconia Belts (Best for: Ferrous Metals)Best for Ferrous Metals like stainless steel and carbon steel. Can be used on other materials when needing something more aggressive. X weight poly cotton blend 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

· Can be used on a variety of metals when needing to remove a lot of material

·         Best used for exotic metals but can be used anywhere you may need a very aggressive application

o   General-purpose blending

·         Y-weight poly/cotton blend backing

o   Final polishing before coating or plating

· X-Weight for versatile

·         Can be used on a large variety of materials

·         Can also be used on some non-ferrous metals

o   Pre-polishing metal surfaces

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·         Scrim backing

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