Elevate the functionality of your sliding doors with the Stanley N174-268 # 5220 Zinc Box Rail Barn Door Trolley Hanger. Designed for versatility, this hardware is suitable for barn doors, sliding patio doors, and standard sliding doors, ensuring smooth operation and added security. The hangers are crafted from durable nickel material with a resilient zinc finish, providing both strength and corrosion resistance. The pack includes 2 units, each featuring a top-mounted design for easy installation and an adjustable feature for perfect door alignment. The rectangular shape and 5-inch diameter dimensions offer a sturdy and stable fit for your doors. With no battery required and a unit weight of 3.3 lb, these trolley hangers are a reliable addition to your home or business, manufactured in the United States to ensure quality craftsmanship.