Trailer Stabilizing Economy Jack, Load Capacity per Pair 2.5 ton, Minimum Height 41 in, Maximum Extended Height 57 1/2 in, Base Material Steel, Standards OSHA, Base Height 41 in, Base Length 18 1/4 in, Base Material Finish Powder Coated, Base Width 16 5/8 in, Color Yellow, Features High Strength, Increase Visibility at Night, Unique Design, Includes Hard Rubber Wheel