The replacement Solera Crank Style RV Awning Head Assembly features a manual gear box, which makes it easy to extend and retract your awning — perfect for those with physical limitations. The crank style drive head is easy to install and universal for Solera short, flat or pitched awning systems. The manual crank style driver head should be used with, but does not include, crank style idler head, roll bar, fabric, arm assemblies and crank style awning hook.