The Casting, Aluminum 30 Flat Elbow from Roll-Rite is an authentic replacement part.
Super Tough Mesh Tarps | Roll-Rite
Premium Black Mesh Tarps | Roll-Rite
Electric Kit with 10698 12V Relay (Rocker Switch) 10914 | Roll-Rite
Axle. 97" Pre-Threaded Tarp Axle w/Stub Shaft 31030 | Roll-Rite