Adjustable support posts in Building Supplies

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Single Shelf Supports Single Shelf Supports mount on our Post Kits to hold Wire Shelves each sold separately. Supports allow shelves to be adjusted at 1" increments. Sold in pairs. Order one pair for each shelf desired. Includes post caps. Add our Wire...
 
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1' 7"" To 3', 15 Gauge Adjustable Jack Post, Max Ext Load 16,000 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 17"", Screw Size 1"" x...
 
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2' 10"" To 4' 7"", 15 Gauge, Adjustable Jack Post, Max Ext Load 14,000 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 27"", Screw Size...
 
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4' 8" To 8' 4", 15 Gauge Adjustable Jack Post, Max Ext Load 9,100 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 49", Screw Size 1" x 7",...
 
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JS-100 Super S Series adjustable jack post - Adjusts from 8 ft. 4 in. to 4 ft.8 in. Tested to 9,100 lb. at maximum extension and 18,000 lb. at minimum extension. Corrects sagging floors, supports basement beams. Support for room additions and...
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JS-36 Super S Series adjustable jack post. Adjusts from 1 ft.7 in. to 3 ft. 0 in. and is tested to 16,000 lb. at maximum extension and 18,000 lb. at minimum extension. Corrects sagging floors, supports basement beams. Support for room additions and...
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5 gauge, adjustable jack post, max ext load 14,000 lbs, min ext load 18,000 lbs, additional support for crawl spaces, attic, staircase or decks, adjusts with 3/4" wrench, o.D. Gauge and tube dim 2-1/4" by 15 gauge by 27", screw size 1" 2' 10" to 4' 7",...
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15 gauge adjustable jack post, max ext load 9,100 lbs, min ext load 18,000 lbs, additional support for crawl spaces, attic, staircase or decks, adjusts with 3/4" wrench, o.D. Gauge and tube dim 2-1/4" by 15 gauge by 49", screw size 1" by 4' 8" to 8'...
 
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JS-55 Super S Series adjustable jack post. Adjusts from 2 ft. 10 in. to 4 ft 7 in. and is tested to 14,000 lb. at maximum extension and 18,000 lb. at minimum extension. Corrects sagging floors, supports basement beams. Support for room additions and...
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Max ext load 16,000 lbs, min ext load 18,000 lbs, additional support for crawl spaces, attic, staircase or decks, adjusts with 3/4" wrench, o.D. Gauge and tube dim 2-1/4" by 15 gauge by 17", screw size 1" by 7" 1' 7" to 3', 15 gauge adjustable jack...
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4' 5" to 7' 9", 15 gauge adjustable 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 and tube dim 2-1/4" by 15 gauge by 45-1/2", screw size 1 4' 5" to...
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11 gauge adjustable jack post , max ext load 20,000 lbs, min ext load 38,000 lbs, additional support for crawl spaces, attic, staircase or decks, adjusts with 3/4" wrench o.D. Gauge and tube dim 2-1/4" by 11 gauge by 49", screw size 11/4" 4'8" to 8'...
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