STADEA Granite Diamond Router Bits Radius 3/8" Demi B10 Edge Profile for Stone Marble Concrete - Shop N Save Diamond Tools
Monster 3/16 in. Radius Brazed Diamond Router Bit for Granite, Marble, Concrete and Tiles 1/2 in. Shank (2-Piece Set) RBQL044605 - The Home Depot
Router Concrete, Stone, Solid Surfaces - YouTube
Monster V30 (1-3/16 in.) Full Bullnose Diamond Profiler/Router Bit for Grinder Use on Granite, Marble, Concrete and Other Stones VPV0030 - The Home Depot