Exclusive CMT design which allows the perfect fix for undersized plywood panel. The tongue cutter features opposing shear angles to obtain flawless finishing on a large variety of material such as plywood, softwood and hardwood. 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).