The Tenryu  6 piece 8" stack dado sets are perfect for woodworker's who want high quality dado's in wood and melamine.   This set produces super-clean dado edges with an astoundingly flat bottom surface in wood materials and even in melamine.   The precision ground C-4 micro grain carbide tips stay sharp longer and cut through all types of hardwood, softwood, and plywood with the greatest of ease.  The set includes two 8" x 40t outside cutters, 1/4" two wing cutter, 2-1/8" two wing cutters, and one 1/16" two wing cutter.  The bore is 5/8" and it is packaged in a wooden storage box.  There are no shipping charges in the continental US on this item.  I do ship internationally, just email me and I will quote shipping to your country.