Screw Jack Lifting Actuator Screw Adjustment Load Capacity per Pair 20 ton Minimum Height 13 3/4 in Maximum Extended Height 20 3/4 in Base Material Steel Saddle Shape Round Saddle Length Not Applicable Saddle Width Not Applicable Saddle Diameter 3 1/8 in Base Shape Round Saddle Tilt Angle 9 Degrees Standards ANSI/ASME B30.1 CE Certified Base Diameter 6 1/2 in Compatible Jack Handle Manufacturer Model Number SLB35 Features Portable Individual Item Weight 20 lb