This Roman Carbide DC1871 Forstner Bit is a top-performing woodworking tool with a diameter of 2-1/4 inches. The carbide material makes it highly durable and guarantees long-lasting use. This drill bit is perfect for woodworkers who want to create precise holes without any splintering. The brand, Roman Carbide, is known for its high-quality products, and this drill bit is no exception. It is suitable for use on wood and other materials and can be used with ease by beginners and professionals alike. This carbide Forstner bit is a great addition to any workshop or toolbox, giving you a reliable tool to create perfect holes every time.