Excellent 3-piece bit set for producing adjustable tongue and groove joints with a bevel, in order to eliminate the panel rattle that may come up with the production of standards cabinets. Cut precise grooves into your plywood veneered panels and make perfect rattle-free fits. To be used on table-mounted routers. Avoid using these bits in hand-held routers. 2 Carbide-tipped cutting edges for long-lasting performance, anti-kickback design to allow you to work safely and bearing for easy template work. CMT orange bits have been rated the #1 overall router bits compared to other brands (Wood Magazine).