5 pack - 2" x 48" 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

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

o   General-purpose blending

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

· Y-Weight for tough grinding and heavy material removal on hard metals and flat surfaces

o   Final polishing before coating or plating

blending and deburring applications

· Best for wood sanding

· J-weight poly/cotton blend backing

o   Smoothing welds and seams

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

it can be used for cleaning