Cut half-round grooves for Fluted moldings columns millwork and signs using a core box bit. Used with an edge guide It can cut coves. Perfect for making flutes on CNC machines, #45948-CNC, (D) diameter: 2, (r) radius: 1, (B) Cutting height: 1-1/4, (D) shank: 1/2, overall length (L): 2-3/4, flutes: 2, 45948-CNC carbide Tipped core box 1 inch radius x 2 inch dia X 1-1/4 x 1/2 shank CNC