1Powerful Support: Each stabilizing jack can hold up to 650 lbs, the lifting capacity is 1,000 lbs, strong support ability effectively protects your parking safety. 2Premium Material: The stabilizer jack is constructed of premium, weather resistant, industrial grade iron material that has high strength, wear resistant, strong and durable. 3Compact Design: Conveniently folds up for travel and folds down for use, adjustable telescoping function establishes ideal height, can be lifted up to 165mm, with adjustable length of 290mm to 455mm. 4Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5Application: Perfect for utility trailers, campers, motorcycle trailers, cargo trailers, concession stands, RVs, trailers, campervans and more.