Size: With 1/2"" cutting diameter, 14 degree angle, 1/2"" cutting height and 1/4"" knife handle. Cutting: The dovetail drill bit can cut all composite materials, plywood, hardwood and softwood. Durable: Made of hard alloy, sturdy and durable. Suitable: Suitable for use on CNC, desktop installation and handheld routers. 100% satisfied service: enjoy a month of smooth and hassle-free return service. If you have any questions, please feel free to contact us and we will be here to serve you. durable Made of hard alloy, it is strong, not easy to break and bend, and is durable. 14, 1/2"" cutting diameter It has a 1/2"" cutting diameter, a 14-degree angle, a 1/2"" cutting height and a 1/4"" knife handle. Suitable for CNC, desktop installation and handheld routers. Applicable materials The dovetail bit can cut all composite materials, plywood, hardwood and softwood.