Yonico Lock Miter up to 1/2 in. Stock 1/4 in. Shank Carbide Tipped Router Bit 15129q - The Home Depot
CMT Lock Miter Router Bit Set, 22-1/2 in. Deg-1/2 in. Shank
Lock Miter Router Bits | K-Premium
45-degree Lock Miter Router Bit
45 Degree Lock Miter Router Bit 1/4 Inch Shank, 3/4 Inch Stock Joint Router Bit 2 inch Dia Woodworking Router Tool by CHoiKWong (1/4 Inch Shank-3/4Inch Stock, Yellow) - - Amazon.com
CMT Lock Miter Router Bit Set – Pro Cabinet Supply