Specification: Lift Range :3-7/8" to 20" Load Capacity: 4 Ton (8000 lbs) Material: Heavy duty and rust resistance steel Load Bearing Method: Dual Piston Quick Lift Pump Style : Low Profile Weight: 100 lbs Features: LOW PROFILE DESIGN: Heavy duty jack is suitable for various models including cars, trucks, SUVs, etc. It is a must-have repair tool for families, repair stores, and traveling QUICK LIFT OPERATE: Dual piston quick pump allows you to easily raise the jack to the desired height HIGH QUALITY SAFETY: A built-in safety overload system which prevents use beyond load capacity FLEXIBLE WHEELS: Equipped with (2) large steel front casters and (2) 360-degree swivel rear casters for smooth maneuverability.