Introducing the Brown Products 450-768 4. 5 OD Mode Double Rotor Pulley - the perfect addition to your outdoor power equipment. This high-quality pulley is designed for durability and efficiency, featuring a 4. 5 outer diameter and double rotor design. Say goodbye to frequent replacements with this reliable and long-lasting part from Brown Products. Its advanced construction ensures smooth operation and maximum performance, making it a must-have for any lawn care professional. Upgrade your equipment with the Brown Products 450-768 and experience a smoother and more productive outdoor maintenance routine.