Equip your semi truck to be Ready for the Road Ahead , with the Stoughton Trailers 99" Anti-Snag Steel Roof Bows, a key set that helps provide additional support to a trailer's roof. Thanks to their durable steel composition, these replacement bows are the ideal option to prevent a vehicle's roof from sagging or deforming over time. Crafted with an easy-to-install form for quick repairs. FleetPride is your First Click in Heavy Duty .