The Accupro End Mill Holder with CAT50 Taper Shank is designed to securely hold and center end mills with a 5/8" shank diameter. Its 6" projection allows for easy access and control during machining processes. This high-quality tool adapter is essential for CNC, metalworking, and manufacturing applications, providing reliable toolholding for improved precision and efficiency in your projects. Trust the Accupro brand to deliver durable and precise end mill holders for your machining needs.