This product is designed for lifting. The jack can be used vertically or angled to 3 degrees from vertical position. After lifting, loads must be immediately supported by jack stands. Each model is suitable for use in lifting or positioning vehicles, machinery, houses and other building structures. Dual-stage, steel hardened rams allow for longer travel. Lower retracted heights and higher extended heights. Heat treated saddle provides generous lifting area and secure grip. A wide-rugged base provides stability and strength. Safety bypass valves prevent overloading.