These Toolcraft cutting discs have a diameter of 38 mm and a thickness of 1.12 mm. The hole diameter is 1.8 mm. A disc holder is included in the delivery. The discs also fit standard holders. The carbide grain ensures a clean cut without fraying. They can be used for soft metals, stainless steels, non-ferrous metals, drywall, and plastics. The discs provide a clean cut without fraying and are suitable for most multifunctional tools.