The BOSCH 85614MC Precision Pro 1-3/8" x 1/2" Rabbeting Router Bit is a high-quality tool designed for precision woodworking tasks. With a diameter of 3/8 inches, this router bit is perfect for creating smooth and accurate rabbets in various woodworking projects. Produced by the reputable brand Bosch, this model is sure to meet the needs of professional and amateur woodworkers alike. Its precise cutting capabilities make it a valuable addition to any workshop or toolbox.