The Freud Diablo Key Hole Bit features a 1/4" shank and is specifically designed for creating keyhole slots in wood and composite materials. With a cutting diameter of 3/8" and a cutting length of 1", this bit allows for precise and clean cuts. Made from high-quality carbide, it ensures durability and longevity, making it ideal for both professional and DIY applications. The bit is engineered to reduce friction and heat, resulting in cleaner cuts and extended tool life. Compatible with standard routers, it meets ANSI standards for safety and performance.