25 pack - 3/8" x 13" Silicon Carbide Belts (Best for: Glass, Stone, Composite)Silicon Carbide belts are great for a variety of niche applications: glass & ceramics, stone & marble, plastics & composites, rubber & epoxy. Can also be used on some non ferrous metals. 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

· Wet & Dry applications

rubber & epoxy

· Medium Grits (100-180): For blending

plastics & composites

· Fine Grits (240-400): For finishing or preparing for polishing

stone & marble

or don’t see what you need

· Best for wood sanding

·         J-Weight if you need flexibility for finishing

· J-weight poly/cotton blend backing

·         Best for non-ferrous metals like: aluminum

· Can also be used for more aggressive sanding