5 pack - 2" x 72" Polyester Backed Aluminum Oxide Belts (Best for: Wet Applications)Best for wet applications Can also be used for more aggressive sanding Y weight polyester 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 mirror polishing or fine detailing. Choosing a Backing Weight J Weight if

· Best for wet applications

rubber & epoxy

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plastics & composites

·         Wet & Dry applications

·         Best for Ferrous Metals like stainless steel and carbon steel

·         Dry applications

· X-weight poly/cotton blend backing

o   Smoothing welds and seams

· Can be used for finishing and polishing stainless steel

o   Heavy material removal

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