Brand Name: Tiger Brand Super "S" Series *Diameter: 2-1/4 in. *Maximum Height: 36 in. *Product Type: Jack Post *MaximumLoad at Maximum Extension: 16000 lb. *Maximum Load at Minimum Extension: 18000 lb. *Gauge: 15 Ga. *Minimum Height: 19 in. *Hardware Included: Yes **Designed with multiple features for added safety *Can be used                      p ermanently as secondary                  s upport (example: sagging                 f loors) *4 in. x 5 in. x                 3/ 32 in. plates *1 ft. 7
     in. to 3 ft. 0 in.                        adj ustment range