The Craftsman 9-3257 Kromedge 7" Groover Dado Set is a high-quality tool set designed for table saw use. Made from durable Chrome Nickel Molybdenum Steel, these 7 blades are perfect for cutting wood materials. With a 5/8" arbor size, these groover dado cutters are ideal for precise and clean cuts. Manufactured in the United States by Craftsman, this set is a reliable and essential addition to any workshop or tool collection.