The COL ER(116) ER11 collet is designed for 1/4 inch tool holding, ideal for precision machining. Manufactured by Field Tool Supply, this collet is made from durable materials to ensure long-lasting performance. Its ER11 design is compatible with a wide range of milling and CNC machines, making it a reliable choice for various applications. The collet's dimensions are optimized for secure tool retention, providing stability and accuracy during operation. It meets industry standards, ensuring safety and performance in demanding machining environments.