Amana Tool 57141 Carbide Tipped Corner Rounding with Ultra-Glide BB Guide Solid Surface 2 D x 1 Inch CH x 3/4 R x 1/2 SHK Router Bit Carbide Tipped SPECIFICATIONS: Diameter (D): 2 Radius (R): 3/4 Cutting Height (B): 1 Shank (d): 1/2 Overall Length (L): 2-3/8 Flutes: 2