Tiger Brand Jack Post JS-36 1'7"-3' (15 Ga) Tiger Brand Jack Post JS-36 1'7"-3' (15 Ga) 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. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate. GLOBAL SHIPPING We only ship to USA addresses but we do participate in's Global shipping program. If you live outside the USA, we ship to's warehouse and they forward your order to you. calculates your shipping cost when you place the order. Some items are restricted from being shipped outside the USA.