The COL ER(652) ER40, 13/16 IMP from Field Tool Supply is a precision collet designed for use in milling and machining applications. With a size of 13/16 inches, this ER40 collet provides a secure grip on tools and workpieces, ensuring accuracy and stability during operation. Constructed from high-quality materials, it offers excellent durability and resistance to wear. This collet is compatible with ER40 tool holders and is ideal for use in CNC machines, lathes, and milling machines, making it a vital component for any machining setup.