The Field Tool Supply DT MTENN12-3B is a high-quality 12-inch end mill holder designed for precision machining. This tool holder is crafted from durable materials, ensuring longevity and reliability in demanding applications. It features a standard taper interface for compatibility with various milling machines, making it ideal for both professional and hobbyist use. The holder is designed to securely grip end mills, providing stability and accuracy during operation. With a focus on performance, this end mill holder meets industry standards for quality and safety, making it a trusted choice for machinists.