XP to F2 Adapter Kit for F2 Swivel Mount w/4" Frame. Upgrade your Fulton Center-Bolt Swivel Mount Jack to an F2 Jack. Fits Fulton's patented center-bolt design used on XP10 and XP15 weld-on jacks. Maintain the smooth factory appearance of your trailer. Installs easily no drilling or welding.All mounting hardware included
