This collet assembly is specifically designed for use with WHISPER tubes, featuring a 16mm outer diameter that ensures a secure and precise fit. Manufactured by GMP Tools, the assembly is an essential component for cable placing applications, enhancing the efficiency and reliability of your equipment. With the part number 89925, this collet assembly integrates seamlessly into cable blower accessories, making it a valuable addition for professionals in the field. Its thoughtful engineering caters to the rigorous demands of cable installation tasks, providing peace of mind during operations.