Ultimate strength， ultimate efficiency for permanent new home construction and remodeling support. These adjustable steel building columns can be installed in about 15 minutes by a single worker， tamper proof adjustment - poured concrete floor locks column adjustment permanently when correctly installed.

• Brand Name: Tiger Brand Jack Post
• Diameter: 3 in.
• Maximum Height: 16 in.
• Product Type: Adjustable Building Support Column
• Maximum Load at Maximum Extension: 24700 lb
• Minimum Height: 1 ft.
• Hardware Included: Yes
• Maximum Load at Minimum Extension: 24700 lb
• Gauge: 11 Ga.