Description： Adjustable screw top extension adds versatility Engineered using a drop forged alloyed steel construction for quality and durability; Inner/outer welded structure delivers leak-free performance 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 Capacity: 4 Ton Material:Steel Minimum Height:7-1/2″ Maximum Lift Height:14-5/16″ Type:Bottle Jack Applications： For ATV, Heavy Duty/Commercial, Passenger Vehicle Package Includes： .