High speed air turbo motor quickly raises the load to the desired height Air control knob allows precise lifting and lowering Heat-treated extension screw allows for maximum lift height Heavy-duty wheels with bearings for easy movement (3) Adapters included: .8", 2.4", 3.9" (3) handle positions allow for easy storage, movement and access to lift point Meets or exceeds ASME PASE 2019 standards Capacity (Tons): 50 Minimum Height: 11.3" Maximum Height with Adapter: 25.08" Ram Travel: 5.9" Extension Screw: 3.94" Handle Length: 48.4" Weight: 129 lbs.