1/2" ovolo groove bit. Carbide tipped. Designed for excellent smoothness of cut and balanced cutting. 1/2" diameter. For decorative edging in molding, furniture, and decorative grooves in French provincial style doors and cabinets. Double flute. Used for all popular furniture applications including cabinet construction and drawer construction. Cuts plywood, soft and hardwoods. Precise hook angle for efficient cutting. 1/4" shank.