Package List 2 x Universal Joint Shaft Coupler Features -Product Info: Hand crank coupling -Material:aluminum alloy -Size(bottom):2.00X1.00X1.00cm/0.79X0.39X0.39in -Size:6.80X1.60X1.60cm/2.68X0.63X0.63in -Minimalist Compact Design: Lightweight and spaceefficient, the universal steering shaft u joint for roller fits easily during installation, suitable for modern patios or limitedspace settings hand crank system universal steering shaft -Outdoor Accessory Compatibility: Designed as a universal joint shaft coupling for hand crank systems, it replaces outdated couplers and fits seamlessly with awnings, window openers, and roller shutters roller heavy duty universal joint coupler -stable Stability Enhancement: The roller heavy duty universal joint coupler boosts structural integrity by securing the connection against strong winds or weight, enhancing your system’s overall durability joint shaft coupling for roller -Color:Silver -Size(upper):1.50X0.90X0.90cm/0.59X0.35X0.35in Goods Description universal steering shaft for roller This universal joint shaft coupling for awning offers a secure, rotatable shaft coupler that prevents accidental detachment, supporting comfortable, quiet adjustment even in demanding outdoor environments.U Joint Coupler Upgrade your existing window opener with a heavy duty universal steering shaft u joint, designed to fit roller and awning hand crank systems