The Dremel carbide cutter/shaping wheel has a 1-1/4 inch wheel diameter and makes cuts up to 1/2 inch deep. It's ideal for cutting, shaping and finishing non-metallic materials such as wood, fiberglass and plastics. Ideal for cutting and shaping soft and hard woods, it can also be used on fiberglass, plastics and laminatesWheel coated with tungsten carbide grit for long lifeNot for use on metalCoated on both sides with tungsten carbide grit for long lifeCuts 33% deeper than former Cutting/Shaping Wheel...up to 1/2 In.