Whiteside Rounding Over Undermount Bit, 1/2 in. SH x 10 deg. is designed to soften or round the underside edge of solid surface materials up to 1/2 inch thick, making it i for undermount sink installations. This high-quality router bit features a tip-mounted nylon bearing that precisely follows the contour of the material for a smooth finish. It is carbide tipped and has a double flute design to ensure durability and efficient cutting. Included with this bit is a BB300 bearing (3/16" ID x 7/8" OD x 10-degree bevel) to enhance its performance. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this bit a 1/2 inch shank size, a 10-degree angle, and an overall length of 3 inches, making it a reliable choice for professional woodworking and countertop fabrication. Model Number: 2910