Whiteside Rounding Under Bit 1/2 in. SH x 3/4 in. R is designed to soften or round under the lower edge of solid surface materials up to 1/2 inch thick with precision and ease. This router bit features a shank-mounted bearing that ly follows the shape of the material, ensuring smooth and consistent results. It is carbide tipped and equipped with double flutes for durability and efficient cutting. The bit includes a B5 bearing (5/16" ID x 7/8" OD) and is manufactured by Whiteside Machine Company in Claremont, North Carolina. With a shank size of 1/2 inch, a radius of 3/4 inch, a cutting length of 1-1/16 inches, a large diameter of 2-3/8 inches, and an overall length of 3-3/8 inches, this tool delivers reliable performance for your woodworking projects. Model Number: 2036