Oshlun SDS-0630 6-Inch 30 Tooth Stack Dado Set with 5/8-Inch Arbor Professional grade C-4 carbide Full body chippers Precision ground carbide tips Storage/Carrying Case Shim set for fine adjustments Diameter: 6 Inch, Dado Saw Teeth: 30,	Arbor: 5/8 Inch, Chipper Teeth: 5