Check the listing for details. Whiteside UDFT9138 Ultra-Long Ultimate Flush Trim Router Bit. Condition: New. Listed at 187.50 USD. Whiteside UDFT9138 Ultra-Long Ultimate Flush Trim Router Bit, 1/2" SH x 7/8" CD x 1-3/8" CL. This bit has a 2 + 2 compression design to provide the same top performance and quality as found on Whiteside’s Classic Ultimate Bits, but for thicker stock. These bits leave a crisp, clean edge on both the top and bottom edge of the work piece, even in difficult wood grains. Features a heavy-duty ball bearing guide on the tip for template work. For best performance, use the shortest cut length needed for the application. Solid carbide. Works with material up to 1-3/8" thick. Whiteside Machine Company - Claremont, North Carolina. Specifications SH = Shank Size. CD = Cutting Diameter. CL = Cutting Length. OAL = Overall Length. 1/2" SH x 7/8" CD x 1-3/8" CL X 4" OAL Model: UDFT9138