DURABLE - Premium quality, heavy duty high carbon steelADJUSTABLE - Easy to assemble, easy to installHEAVY DUTY - Corrects sagging floors, supports basement beams and stairwells, and moreSAFE - Double locked for added safetySECONDARY SUPPORT - Can be used permanently if as a secondary support
2' 10 inch 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 inch wrench, O.D. Gauge & tube dim 2-1/4 inch x 15 gauge x 27", screw size 1 inch x 7", -5 thread support, collar size 2-1/2", 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.
Brand: Tiger Brand Jack Post, Model: JS-55, Size: 2'10" - 4'7"