Tiger Brand(r) Jack Post (J-S-15)

1'0" to 1'3" (12"-15") Min. ext. load 18, 000 lbs. Additional support for crawl spaces, attic staircase or decks Adjust with 3/4" wrench Overall dia. gauge & tube size: 2-1/4" x 15 gauge x 10" Screw size: 1" x 7"-5 thread Collar size: 2-1/4" x 1/2" Support pins: 1/2" x 3" 13 gauge plate size: 4" x 5" Corrosion resistant paint zinc coated Suited for wood & steel beams