The PXT45B 3 3/4 XT Bush w/Bolt from Precision Inc is a high-quality component designed for pulley systems. With a size of 3 3/4 inches, this XT bush is ideal for keyed applications, ensuring a secure fit in various machinery. Its robust construction guarantees durability and reliability, making it suitable for demanding industrial environments. This product adheres to industry standards, providing peace of mind in terms of safety and performance. The included bolt simplifies installation, making it an excellent choice for maintenance tasks. Upgrade your pulley system with the PXT45B bush for enhanced operational efficiency.