Amana Tool 46207 SC Spiral Plunge 1/2 D x 1-5/8 CH x 1/2 SHK x 3-1/2 Inch Long 2 Flute Down-Cut Router Bit SPECIFICATIONS: Direction: Down-Cut (D) Diameter: 1/2 (B) Cutting Height: 1-5/8 (d) Shank: 1/2 Overall Length (L): 3-1/2 Flutes: 2