Myers Tire Supply 3.5 Ton Low Profile Jack is a heavy-duty service jack designed for continuous, dependable performance in any automotive service and repair shop. Dual pump pistons raise the lift arm to maximum height quickly. Strong chassis with upper and lower frame flanges to withstand twisting. Complete with wide front wheels and ball bearing mounted rear caster wheels for stability and easy maneuverability. The angular positioned pump pistons provide maximum effective pump stroke when jack is completely under a vehicle. Pump piston dust shields and wiper seals prevent contaminants from entering the hydraulic system. Overload and bypass safety valves prevent the jack from being used beyond its rated capacity and over extension of the ram. Rubber saddle pad protects vehicle frame from scratches while also providing a sure grip lifting surface.