Kendon Trailers Crank Down Swivel Jack Stand with Wheel TSJS Roller wheel permits the user to move the Trailer while fully loaded. Easy to use:High mechanical leverage makes this Retractable Jack Stand easy to use. Very little cranking effort is needed to elevate the trailer off of the ball hitch of the tow vehicle. This Trailer Jack Stand fits 2004 and newer Kendon Trailers. Heavy Duty construction.