None of the Bits shown have ever been used. Separate dado bit (not part of three-piece set) is included. These are all 1/2-inch shaft. They are in the original wooden box. These are for raised panel cabinet door construction.This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Router Bits". The seller is "golfcrazee-6967" and is located in this country: US. This item can be shipped to United States.