Alright, for anyone who needs serious lifting power, this AFF 20-ton bottle jack is an absolute beast! Made from superior high-grade steel with a fully welded cylinder that provides maximum strength - we're talking industrial-grade durability here. The forged base adds extra stability so you don't have to worry about it buckling under pressure. It has a 9.5 to 17.9 inch lift range, and the extension screws give you an additional 2.25 inches of adjustment to reach exactly where you need. This isn't your average garage jack - it's built for heavy-duty trucks, agriculture equipment, mining operations, and oil-field work where reliability is everything. The oil by-pass system provides overload protection and ensures leak-free operation, which is huge when you're dealing with heavy loads. It meets ANSI/ASME PALD 2014 standards, so you know it's been properly tested for safety. AFF has been making tough equipment since 1963, so they know what they're doing when it comes to heavy lifting. Whether you're a professional mechanic, farmer, or just need industrial-strength lifting capability for your projects, this bottle jack delivers the power and reliability you need. The construction feels solid and trustworthy - exactly what you want when you've got 20 tons in the air. Definitely worth the investment if you need dependable heavy lifting capability.