Description:

1 to 1 4", 15 gauge, adjustable Jack post, Max ext load 18,000 lbs, min ext load 18,000 lbs, 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 10", screw size 1 inch x 7", -5 thread support, collar size 2-1/4 inch x 1/2", support pins 1/2 inch x 3", 13 gauge plate size 4 inch 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. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in United States. Model # JS-15 Features: DURABLE - Premium quality, heavy duty high carbon steel. ADJUSTABLE - Easy to assemble, easy to install. HEAVY DUTY - Corrects sagging floors, supports basement beams and stairwells, and more. SAFE - Double locked for added safety. SECONDARY SUPPORT - Can be used permanently if as a secondary support. Item Dimensions: 3" L x 14" W x 5" H.