Dremel 545 Diamond Wheel N/A Made in USA or Imported Wheel is completely coated with fine diamond particles for working with hard materials Ideal for cutting, sawing, carving, sharpening and filing hard materials- including marble, concrete, brick, porcelain, ceramics, epoxy and hard woods Designed to last and not lose its shape or break, it provides smooth fine cuts Includes 402 mandrel Not recommended for metal