This round over bead Router bit has a 5/16 radius and 3/8 cutting depth. The shank is 1/4 in diameter. Highlights: - Add a round over bead edge to a variety of surface edges and projects or create small moldings to be used on its own or as part of a molding build-up - Premium C3 micro-grain tungsten carbide blades for a sharper & longer lasting edge - For use on table mount and handheld router (Up to 2-1/2 diameter) - Silver induction brazing for maximum strength and durability - Manufactured with anti-kickback design to help prevent workshop mishaps Item Includes: 1 Router Bit Round over bead edge forming router bits create a round over profile with a lower fillet. In addition to routing edges, these bits can also be used to create small moldings that can be applied to many projects as well as crown molding build-ups. Edge forming router bits come in many shapes and sizes to meet the requirements of any style.