"The 3 Ton Torin Service Jack is a rapid rise hydraulic power unit featuring dual pump pistons that raise the lift arm to its maximum height in 5 1/2 pump strokes. This heavy-duty service jack is designed with a low profile chassis and lift height to get under vehicles with limited ground clearance. Angular positioned pump pistons provide maximum effective pump stroke when the jack is completely under a vehicle. Meets ASME PASE safety standards. Safety Valve Yes, Min. Lift Height in. 5.5, Dimensions L x W x H in. 25 x 13, Lift Capacity tons 3, Max. Lift Height in. 20.5. Safety overload system and bypass safety valves prevent the jack from being used beyond its rated capacity and also prevent ram over extension Heavy-gauge steel frame Strong chassis with upper and lower frame flanges to withstand twisting Pump piston dust shields and wiper seals protect the hydraulic system from contaminants Wide front wheels and ball bearing mounted rear caster wheels for stability and easy maneuverability Round cast steel saddle Long handle for easy pumping 6,000lb. weight capacity Min. height 5.5in. Max. height 20.5in."