This Blackhawk Automotive economy transmission jacks extra-wide base lowers its center of gravity and adds stability. Fully adjustable head conforms to many head configurations and angles. Lift Capacity (lbs.): 700, Min. Lift Height (in.): 53 1/4, Max. Lift Height (in.): 78 3/8, Operation: Manual, Safety Chain Included: Yes, Swivel Casters: Yes, Base L x W (in.): 38 7/32 x 32 13/16