4′ 5 To 7′ 9, 15 Gauge Adjustable Jack Post, Max Ext Load 11,350 LB, Min Ext Load 18,000 LB, Additional Support For Crawl Spaces, Attic, Staircase Or Decks, Adjusts With 34 Wrench, OD Gauge Tube Dim 214 x 15 Gauge x 4512, Screw Size 1 x 7, 5 Thread Support, Collar Size 214 x 12, Support Pins 12 x 3, 13 Gauge Plate Size 4 x 5, Corrosion Resistant Inside Out, Double Carriage Bolt Nut Zinc Coated For Added Safety, Heavy Plates Suited For Wood Steel, Deep Dish Self Centering Plates
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