5 pack - 3" x 24" 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

· J-Weight if you need flexibility for finishing

rubber & epoxy

o   Final polishing before coating or plating

·         Wet & Dry applications

·         Medium Grits (100-180): For blending

medium-duty tasks on flat or slightly contoured surfaces

· J-weight poly/cotton blend backing

or make custom belts for your job

or shaping

·         Can also be used on some non-ferrous metals

·         Standard Ceramic material is best used on hard metals

·         Best for non-ferrous metals like aluminum