5 pack - 3" x 18" Economy Aluminum Oxide Belts (Best for: Wood)Best for wood sanding Can also be used as a cheaper option for general metal sanding X 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 polishing or fine detailing. Choosing a Backing

rubber & epoxy

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

o   Achieving a smooth or satin-like finish

·         Medium Grits (100-180): For blending

·         Dry applications

·         Can also be used on some non-ferrous metals

· X-weight poly/cotton blend backing

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

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or sanding curved surfaces

·         Can be used on other materials when needing something more aggressive

o   Removing deep scratches