Dear dd1234,
We are sorry to hear that you have experienced trouble with your Traditional Sliding Bathtub Doors.
You may reach out to the Home Depot Online Order Support to share any additional comments regarding your missing handle box. They can be reached at 800-430-3376 or via Customer_Care@homedepot.com. You may also reach out to a Delta Shower Door specialist for any replacement hardware and bumpers that you made need. They can be reached at 800-964-4850 Monday - Friday 9am-6pm EST, or via email at customersolutions@deltashowerdoors.com. - Best, Delta Shower Doors Team