The TAPMATIC COL-ER #40 is a robust collet designed for 3/8 inch pipe applications. This collet, produced by Field Tool Supply, is engineered for precision and reliability in machining tasks. Its design accommodates a variety of tool sizes, ensuring versatility in operations. Made from high-strength materials, it withstands the rigors of industrial use while maintaining accuracy. The collet's compatibility with ER tool holders makes it an essential component for enhancing machining efficiency and performance in various applications.