Gemstone Polishing: Our resin diamond sanding belts are perfect for polishing gemstones like tourmaline, topaz, quartz, and more. Get a high-gloss finish with ease.Resin Diamond Sanding Belts are abrasive belts designed for sanding, grinding, and polishing various materials. These belts incorporate diamond particles embedded in a resin matrix, making them highly effective for precision and heavy-duty sanding tasks. They are commonly used in applications such as metalworking, woodworking, glass processing, and lapidary work to achieve smooth and polished surfaces. Resin Diamond Sanding Belts are known for their durability, long lifespan, and ability to maintain sharp cutting edges even during extended use, making them a valuable tool in many industries.Resin Diamond Polishing System with polyester backing, wear resistant joint, a flexible belt, wet use only.Our premier line of Resin Diamond Sanding Belts offers an aggressive solution to your cutting and polishing needs,Resin Diamond Sanding Belts For Expanding Drums is resin bonded giving a nice smooth finish, especially after working a few stones. Our professional people tell us they are the longest lasting belts they have ever used. In fact, under normal use, our belts will last 50 to 100 times longer than silicon carbide abrasives! Of course, we back these Belts with our 100% satisfaction guarantee.Our Resin Diamond Sanding Belts in 4"x64" are used on upright Belts sanders like the Bee Metal sander to give a pre-polish finish on your glass or for blemish removal on glass surfaces to prepare for a final polish.