This is a pack of high quality, American made Silicon Carbide belts for 1"x42" belt sanders. There is 5 each of high grit belts in 600, 800, and 1000 grits. A 1"x42" Leather Strop Honing belt with buffing compound is also included. These belts are all intended for finer shaping and polishing of knives and tools. If you have tools with very blunt edges, it would be best to start with a coarser grit. These belts are best for knife makers and sharpening professionals to put the final touches on knives and tools.