Amana Tool 45728 Carbide Tipped V Groove 90 Deg x 1-1/2 D x 1-1/4 Inch CH x 1/2 SHK Router Bit Carbide Tipped SPECIFICATIONS: Diameter (D): 1-1/2 Angle (a): 90 Cutting Height (B): 1 Shank (d): 1/2 Overall Length (L): 2-3/4 B1: 3/4 Flutes: 2