Features 1/4 SHANK This round router bit with standard 1/4 inch shank is compatible with all milling machines and easy to install and use. Great compatibility: the edge cutter is suitable for all types of wood materials such as MDF, hardwood, cork and chipboard. MAIN PURPOSE: This cutter has been specially designed for creating flush decorative round edges and is an ideal tool for all woodworking work. Anti-kickback design: the round cutter can limit the chip thickness of the material to be cut, thus providing the user with a certain degree of safety. Widely used: this round drill bit is ideal for kitchen and bathroom doors, office cabinets, floor tables, bedroom shelves, frames, walls and more. Specification: Item type: round cutter. Material: carbide Specification: 1/4 x R3 x 19. Package list: 1 x round cutter, 1 x plastic container Package List 1 x Round Over Router Bit 1 x Plastic Container