Part number 0311-860499 identifies an Aero (OEM) Easy Cover Shaft End Clear Zinc (Driver Side). This specific part is a critical component for Aero Industries Easy Cover tarp systems. It functions as an end piece for the roll-up shaft, allowing it to connect and operate within the system. The "Clear Zinc" coating provides enhanced corrosion resistance, extending the part's lifespan. This driver-side shaft end is approximately 1 inch in diameter and 6.5 inches in length.