The REAR CHUCK ASSEMBLY for models 6790 & 6490 by REX INTERNATIONAL USA INC is engineered for precision and durability. This assembly is crafted from high-grade materials, ensuring a secure fit and reliable operation in various machining applications. Designed to enhance the performance of your equipment, it features compatibility with specific models, making it an essential component for maintenance and upgrades. The assembly is easy to install and is compliant with industry standards, providing peace of mind for users in demanding environments.