This Blackhawk Automotive telescopic transmission jacks extra-wide base lowers its center of gravity and adds stability. Lift Capacity (lbs.): 2,000, Min. Lift Height (in.): 48 5/8, Max. Lift Height (in.): 77 3/8, Operation: Manual, Safety Chain Included: Yes, Swivel Casters: Yes, Base L x W (in.): 42 1/2 x 39 1/2 Chrome-plated RAM helps extend seal life Foot release pad provides hands-free lowering Fully adjustable head conforms to many head configurations and angles