Jack Stand Duty Rating Heavy Duty Lifting Actuator Pin Adjustment Load Capacity per Pair 12 ton Minimum Height 19 in Maximum Extended Height 29 1/2 in Base Material Steel Saddle Shape Flat/Rectangular Saddle Length 6 in Saddle Width 3 in Saddle Diameter Not Applicable Base Shape Round Locking Type Pin Standards ANSI Z87.1 OSHA Base Diameter 17 in Individual Stand Load Capacity 12 ton Locking Mechanism Pin