High strength tubing and precision metal gears. Clean simple lines and no bulky gear head cover. The entire length of the internal screw is covered with a special formulated lubricant which provides increased protection against corrosion, facilitates easier cranking, reduces wear, and increases operational life. All Attwood sidewind jacks incorporate precision molded, heat treated, copper-infiltrated metal gears. Designed for disassembly and repair of the gear drive assembly and/or wheel, which eliminates replacing an entire jack. 500-lb. working capacity and 800-lb. lifting capacity. Jack repair kit includes jack cap.