Whiteside UDFT9138 Ultra-Long Flush Trim Router Bit is designed to deliver top performance and exceptional quality, especially suited for thicker stock. Featuring a 2 + 2 compression design, this router bit ensures a crisp, clean edge on both the top and bottom of your workpiece, even when working with challenging wood grains. It includes a heavy-duty ball bearing guide at the tip, making it i for precise template work. Crafted from solid carbide, it works efficiently with materials up to 1-3/8" thick. For optimal results, use the shortest cut length required for your project. This bit measures 1/2" shank size, 7/8" cutting diameter, and 1-3/8" cutting length, with an overall length of 4". Manufactured by Whiteside Machine Company in Claremont, North Carolina, it combines durability and precision for professional woodworking needs. Model Number: UDFT9138