Description: The Stacked Rail and Stile Router Bit will cut both rail and stile in a cove design. Simply cut the stile and then lower the bit in your table to make the rail cuts. No need to switch or reassemble cutters. Two flute carbide cutters with ball bearing guide Industrial Quality Specification: Number of Bits:1 Shank Diameter: 1/2"(12.7mm) Cutting Depth: 3/8" Largest Diameter: 1-5/8" Overall Length: 3-5/16" Number of Flutes: 2 Bit Construction:Carbide Tipped Minimum Stock Thickness: 3/4" Maximum Stock Thickness: 15/16" Bearing Height: 9/32" Bearing Inner Diameter: 5/16" Bearing Outer Diameter: 7/8" Package Includes: 1 Piece Cove Stacked Rail and Stile Router Bit