2 pack - 4" x 132" 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

o   Light rust or oxidation removal

·         Y-weight poly/cotton blend backing

and intermediate smoothing

o   Light surface cleaning

· Can be used on Ferrous

· Can also be used for more aggressive sanding

· Coarse Grits (24-80): For heavy material removal

or shaping

o   Pre-polishing metal surfaces

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

·         Our premium ceramic material has an 80% ceramic/20% alumina blend with grinding aid

o   Removing deep scratches