The 200 Grit Wheel (photo shown is 150 Grit) is great for grinding or carving all types of stone, glass, tile, wood and more... It works especially well for creating marble or stone sculptures. The 200 Grit is intended to be used for cutting or grinding and will help minimize chipping and pitting of the material being cut. As with all Lasco Diamond Burs, the 200 Grit Wheel is high quality, durable, 100% Natural Diamond bur, and is made in the USA. The Wheel is also available in 40 Grit, 80 Grit, 150 Grit, 200 Grit, 400 Grit, and 600 Grit.