Amana Tool 57118 Carbide Tipped Countertop No-Drip with Ultra-Glide Radius Bearing Solid Surface 1 Inch D x 7/8 CH x 5/16 R x 1/2 SHK Router Bit Carbide Tipped SPECIFICATIONS: Diameter (D): 1 Cut Depth (A): 1/2 Radius (R): 5/16 Cutting Height (B): 7/8 Shank (d): 1/2 Overall Length (L): 3 B1: 5/8 Flutes: 2 D1: 3/4