4 Prong Twist-Lock to 30 amp RV
30 Amp 4-Prong Generator Adapter. Standard RV molded 30 amp female connector on one end with a 30 amp 4-Prong generator plug on the other. Cable is 10/3 STW and 16" long. The generator plug is a L14-30P configuration. 

Ultra Tongue Jack
Fast-action, heavy-duty tongue jack travels 10" in seconds to save time when hitching or unhitching. Packs 3000 lbs. of lifting power for hitching and leveling, plus use it to hook up your weight distributing hitch. Full 18" stroke with hardened steel gears and die-cast aluminum head for durability. Dual night lights for better visibility after dark. Fits 2" or 2 ¼" post. 12-volt with emergency hand crank included.

3 Prong Twist-Lock to 30 amp RV
30 Amp 3-Prong Generator Adapter. Standard RV 30 amp female connector on one end with a 30 amp 3-Prong generator plug on the other. The generator plug is a L5-30P configuration.