Jack Post, 15-Gauge, Adjusts From 4' 5" To 7' 9" Category_Closet Storage maximum overall length 3-1/8"

maximum overall length 3-1/8"

astm f-876

Aluminum Oxide Grain For Long Life & High Material Removal

5/8" od compression (1/2" nominal compression) x 3/8" od compression

Jack Post, 15-Gauge, Adjusts From 4' 5" To 7' 9" Category_Closet Storage maximum overall length 3-1/8"4' 5" To 7' 9", 15 Gauge Adjustable Jack Post, Max Ext Load 11,350 LBS, Min Ext Load 18,000 LBS, Additional Support For Crawl Spaces, Attic, Staircase Or Decks, Adjusts With 3 4" Wrench, O. D. Gauge & Tube Dim 2 1 4" x 15 Gauge x 45 1 2", Screw Size 1" x 7", 5 Thread Support, Collar Size 2 1 4" x 1 2", Support Pins 1 2" x 3", 13 Gauge Plate Size 4" x 5", Corrosion Resistant Inside & Out, Double Carriage Bolt & Nut (Zinc Coated) For Added Safety, Heavy