Whiteside UD6152 Spiral Up/Down Cut Bit 5/8 in. SH is a high-quality router bit designed for precision and smooth finishes. Known as a 2 + 2 Compression bit, it features a unique combination of up and down cut spirals that effectively eliminate chipping when trimming double-sided laminates and veneers. The double-fluted spiral profile ensures the smoothest cuts, making it i for professional woodworking projects. Crafted from solid carbide, this bit durability and long-lasting performance. It is manufactured by Whiteside Machine Company in Claremont, North Carolina. The specifications include a 5/8" shank size, 5/8" cutting diameter, 1-1/2" cutting length, and a 4" overall length. Model Number: UD6152