25 pack - 3/8" x 13" 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

weld splatter

Choosing a Backing Weight

plastics & composites

and copper

or don’t see what you need

· J-weight poly/cotton blend backing

o   Pre-polishing metal surfaces

· Can be used for finishing and polishing stainless steel

· Topically infused Grinding aid to help reduce heat and last longer during aggressive applications

· Can also be used as a cheaper option for general metal sanding

o   Heavy material removal

it can be used for cleaning