All screw jacks are equipped with nylon, ball or roller bearings on a hardened steel track. This provides the consumer easier cranking, reduces wear and increases the longevity of the jack. The internal screw is coated from top to bottom with a specially formulated lubricant that provides increased protection against wear and corrosion.
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Reviews for Bal Products 29033Bl Top Wind A-Frame Screw 5,000 lb Capacity Tongue Jack for RV Trailers
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