Whiteside B3U Undersize Ball Bearing 0.490"OD, 3/16"ID (B3U) is a high-quality router bit designed for precision cutting and shaping. The inside diameter of 3/16 allows for precise routing in intricate designs. It features a large diameter of 3/16, making it suitable for creating bold and defined profiles. The outer diameter of 0.49 enhances stability and precision in cutting operations. This router bit is commonly used for creating decorative edges, precise joinery, and intricate detailing on woodworking projects. Whether shaping cabinet doors, crafting furniture components, or cutting joinery, it delivers professional-grade results with ease.