The xER40 3/8” Spring Collet from Freud Diablo Tools is a precision tool designed for secure and accurate tool holding. This collet is compatible with ER40 collet chucks and is ideal for CNC machining and milling applications. Made from high-quality materials, it ensures durability and consistent performance. The 3/8-inch size allows for a wide range of tool compatibility, making it a versatile addition to any workshop. Its design minimizes runout, providing enhanced accuracy for intricate machining tasks. This collet is essential for professionals seeking reliability and precision in their work.