3 Bit Undersize Yonica Dado Router Bit Set - 1/2 Shank #14323. 1/4" Radius Round Over Edge Forming Router Bit - 1/2" Shank - Yonico 13162. This sale includes 4 bits. Im not sure if they have ever been used s o Im listing as used in excellent condition.The item "3 Bit Undersize Dado Router Bit Set 1/2 Shank Yonico 14323 & 13621 Bit" is in sale since Monday, November 4, 2019. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Router Bits". The seller is "dkt_1" and is located in Lincoln, Nebraska. This item can be shipped to United States.