The COL ER(648) ER40, 3/4 IMP from Field Tool Supply is a high-performance collet designed for precision tool holding in machining operations. With a size of 3/4 inches, this ER40 collet ensures a secure fit for various cutting tools, enhancing accuracy and stability during operation. Constructed from durable materials, it is built to withstand the rigors of machining, making it suitable for both industrial and DIY applications. This collet complies with industry standards, ensuring reliable performance and compatibility with a range of tool holders.