Tiger Brand Js-36 Jack Post 1' 7" to 3' 0"

1' 7 inch To 3', 15 Gauge Adjustable Jack Post, Max Ext Load 16,000 LBS, Min Ext Load 18,000 LB, Additional Support For Crawl Spaces, Attic, Staircase Or Decks, Adjusts With 3/4 inch Wrench, O.D. Gauge & Tube Dim 2-1/4 inch x 15 Gauge x 17 inch, Screw Size 1 inch x 7 inch, -5 Thread Support, Collar Size 2-1/4 inch x 1/2 inch, Support Pins 1/2 inch x 3 inch, 13 Gauge Plate Size 4 inch x 5 inch, Corrosion Resistant Inside & Out, Double Carriage Bolt & Nut, Zinc Coated, For Added Safety, Heavy Plates Suited For Wood & Steel, Deep Dish Self-Centering Plates. Size: 1' 7 - 3'.

• Premium quality, heavy duty high carbon steel.
• Easy to assemble, easy to install. HEAVY DUTY.
• Corrects sagging floors, supports basement beams and stairwells, and more. SAFE.
• Double locked for added safety.
• Can be used permanently if as a secondary support.