The 20 ton hydraulic welded bottle jack designed for residential and commercial use that can be widely used for cars, trucks, and SUV's; Serrated, heat treated saddle provides generous lifting area and secure grip. Lifting range of 9-7/16" to 17-5/8" with 20 ton (40,000 lb.) capacity; Lifting height of 5-7/8" and an adjustable screw top extension adds extra height of 2-3/8".Easy to carry and place in the trunk of vehicles, and easily lift car with the heavy duty bottle jack. Features a thick drop forged alloy welded steel structure, ensuring durability and reliability. The spiral top with adjustable height increases the jack's versatility and maximum height. Glide-action pressure pump is designed to lift with minimal effort; Integrated built-in oil-bypass and overload valve that protects the hydraulic system from extending beyond limits. Glide-action pressure pump is designed to lift with minimal effort; Integrated built-in oil-bypass and overload valve that protects the hydraulic system from extending beyond limits