The JET JMD18-003A Mill Spindle Pulley supports smooth power transfer for consistent milling operation. This replacement pulley works with the mill’s spindle and drive belt to transfer rotational motion from the motor to the spindle assembly. Proper pulley function helps maintain steady spindle movement during machining tasks. It is designed for replacing a worn or damaged pulley on c... https://www.wholetoolbox.com/jet-jmd18-003a-mill-spindle-pulley/JMD18-003A.html