This Lenox 25476301G is a 7-piece Rough-Wood Hole Cutter Kit. Included in this kit is the 3-piece one (different sizes) tooth hole cutter that features a unique design for cutting at a certain angle in a very high speed. With this process, cutting wood is very efficient and will provide longer life to the tool as well. It also comes with a 2-piece 2L (diamond file) Snap-Back arbor ideal to easily penetrates the surface of a material. The two pieces 3/8" stubby-spade bits are also available for your use. This Kit comes in a convenient case that is durable and dependable for storing your high-quality tools. It features metal latches and metal pin hinges that close the case tightly, preventing unnecessary damage to the tools, especially in busy workplaces. What else would you ask for? This complete Lenox 25476301G kit will provide that satisfactory performance you need for tough drilling jobs!