Torin 1000 lbs Trailer Jack with Wheel, 10" Lift, Bolt-on Trailer Tongue Jack

Torin 1000 lbs Trailer Jack with Wheel, Heavy Duty Swivel Boat Trailer Jack Single Whee, 10" Lift, Bolt-on Trailer Tongue Jack for RV Boat ATR39001B. The swing-back bolt-on trailer jack is painted with Zinc, which is corrosion resistant.