6The DPI Garage Door Hardware 3" Pulley with Hook, Nut & Bolt (Model No. 213) is a high-quality roller designed for use with garage doors. Made in the United States by DPI, this pulley is compatible with other DPI products and is a necessary component for smooth and efficient operation of your garage door. The custom bundle includes the pulley, hook, nut, and bolt, providing everything you need for installation and maintenance. Upgrade your garage door with this durable and reliable DPI hardware.