Garvee 2 Pack 53 to 93 Inch Adjustable Floor Support Jacks 18000 LBS Max Load Telescopic Construction Support Posts Multiple Color Options

High Weight Bearing Thick Steel StructureConstructed from sturdy carbon steel pipe with uniform anti-corrosion coating, integrated welded thick base and top plates avoid deformation under maximum rated load for reliable construction support.Dual Adjustable Height Lock SystemMulti-row locating holes and matching safety pins lock coarse height range; rotating cross-handle screw offers precise micro adjustment to level beams and floor frames with high accuracy.Stable Mounting Plate LayoutExtra thick flat top and bottom plates come with pre-punched holes for fast fastening to wooden structural parts, large contact surface evenly distributes pressure to prevent local collapse.Straightforward Tool-Free AssemblyFollow four simple steps for full setup: vertical placement, coarse height adjustment, pin locking and fine tuning via rotating lever, suitable for amateur renovation and professional building work.Multi-Scenario Building Support ToolWorks for new house framing, sagging floor correction and beam lifting tasks, supplied in several durable coating color selections.