Pro-Lift PL1012 Hydraulic Bottle Jack is a 12-ton bottle jack ideal for auto, truck service, farm, and shop use. With heat-treated critical stress areas, it ensures long-life performance. It features a steel lifting saddle engineered to hold the load securely. The extension screw allows Pro Lift PL1012 Bottle Jack to be adjusted to accommodate desired work height. Pro Lift PL1012 Bottle Jack also features a Built-In bypass system to protect against ram over-travel. Steel Lifting Saddle Engineered to Hold Load Securely- Extension Screw Adjusts to Accommodate Desired Work Height- Built-In Bypass System to Protect against Ram Over-Travel- Heat Treated Critical Stress Areas- Designed to Meet the Latest ANSI/PALD Standards.