The 10° dovetail Bit is used with the Incra and Leigh Dovetail systems., #45805, diameter (D) 1/2, angle (a°) 10°, cutting Height (B) 5/8, shank (D) 1/2, overall length (L) 2-5/8, type Incra, flutes 2, Carbide Tipped Dovetail 10 deg X 1/2 dia x 5/8 x 1/2 inch Shank