The set includes 10 different Router Bits, featuring straight, trim, V groove, beading, cove, slot cutter and more, thereby meeting a wide range of needs. These high-speed steel (HSS) Engraving Bits are a valuable addition to any woodworker's rotary tool and are compatible with various brands such as Dremel, Craftsman, and Chicago. They are an ideal engraving tool for a variety of materials, including wood, plastics, copper, and Aluminum. These excellent tool accessories are perfect for detailed woodworking activities such as trimming, engraving, milling, and routing slotting, and are especially useful in crafting intricate models like trains, miniature buildings, and planes.