Heavy Duty Adjustable Jack Post, Blue Steel, 36-73 Inch — Open-Box, 35% Off

ADJUSTS EVEN UNDER LOAD: Unlike rigid house support jacks that lock in place, our jack features a dual-thread (opposing helix) mechanism. This allows easy height micro-adjustments by simply turning the handle AFTER the jack is fully installed and bearing weight, addressing the common frustration where other jacks can only work as a fixed support. Suitable for precision house leveling and structural repair projects

ENHANCED SAFETY STABILITY-PREVENTS BENDING/SLIPPING: The house jacks 5"x5" base plate is fortified with 0.07" high reinforcement ribs, drastically increasing ground contact and friction to prevent bending or sliding under heavy loads. Made from heavy duty ASTM A572 Grade 50 steel, crawlspace jacks for leveling permanent provides unwavering stability when jacking up the porch roof or supporting beams

TWO-STAGE, WIDE-RANGE POSITIONING FOR VERSATILITY: With a broad 36-73 inch range, first use the pin-and-tube system for rapid coarse height setting, then fine-tune with the M27 threaded rod and secure with the hex nut. This adjustable jack post house system excels not just at lifting, but at detailed tasks like leveling, shoring, or tightening up floor beams

BUILT-IN SAFETY WINDOW PREVENTS OVER-EXTENSION: A house jacks for lifting and leveling unique observation window on the column provides a clear visual check of the inner tube's position, acting as a safety guard against accidental over-extension and detachment. This house floor joist jacks critical feature offers peace of mind during crawl space support work or when replacing old posts

SUPERIOR DURABILITY RUST DEFENSE READY TO WORK: House jack constructed from high-strength ASTM A572 Grade 50 steel and coated with a tough blue anti-rust finish to avoid paint peeling complaints. Floor jack stand threads are pre-lubricated so a little grease on the threads makes the adjustment smoother

MULTI-SCENE SOLUTION COST-EFFECTIVE OWNERSHIP: This house jacks for leveling versatile foundation jack is suitable for attics, high decks, stair landings, and beam support. Its durable build means you buy it for life instead of renting, the cost of renting was almost as much as buying. Jack post is the smart, long choice for foundation jacks for leveling

DESIGNED FOR HOME MAINTENANCE RESTORATION: Permanent support crawl space floor jacks built for homeowners and DIYers to safely hold up part of porch during column replacement or reinforce a century-old home after storms. Its reliable strength ensures users feel they will provide the support needed, making it a dependable tool for house jacks for lifting and leveling

COMPLETE, NO-HASSLE SUPPORT SYSTEM: Post jack arrives as a complete kit with all hardware included, eliminating worries about missing parts or poor packaging. Whether you're jacking up the porch roof or tackling other fixes, it provides a reliable, ready-to-use adjustable floor jack solution. The outer tube has a diameter of 1.66 inches, and the inner tube has a diameter of 1.38 inches, with both having a wall thickness of 0.1 inches, which is sufficient to withstand damage caused by swaying during storms

VERSATILE APPLICATIONS: Level floors, lift beams, support structures, and adjust height under load. Suitable for house renovation, porch repair, foundation leveling, and crawl space shoring. Designed for homeowners, DIYers, contractors, handymen, and structural repair specialists to hold heavy loads, prevent sagging, stabilize mobile homes, and resist rust

PROFESSIONAL GRADE CONSTRUCTION: TIG-welded with AWS E8018 rods for superior strength and durability. The heavy-duty steel construction with reinforced base plate ensures long-lasting performance in demanding structural support applications including basement support, garage installations, and attic renovations

Empower the structural integrity and safety of your home. Our Heavy-Duty Adjustable Screw Jack Post is more than a support tool—it's an engineered system designed to solve real-world problems for both professional contractors and dedicated DIYers. Imagine smoothly raising a heavy porch roof to replace rotten columns, or precisely leveling a sagging floor joist in your basement without the need to dismantle and reset the support. That's the core capability of this jack. It combines quick pin-lock coarse adjustment with precise threaded fine-tuning. Its revolutionary dual-thread mechanism guarantees smooth height adjustment even under the full 10,000 lb load—a critical function most traditional support posts lack. From foundation leveling and crawl space shoring to attic renovations and deck repairs, its extensive height range (36-73 inches) and superior strength (TIG-welded with AWS E8018 rods) cover a vast array of residential structural support scenarios. Details like the reinforced base plate and safety observation window reflect our deep commitment to safety. adjustable house floor jacks for leveling permanent adjustable house jack adjustable house jacks for leveling crawl space floor joist leveling jack crawl space jacks adjustable crawl space jacks permanent support floor leveling jacks for house floor post jack jack post for crawl space jacks for hause joist jacks for house 3ft house floor jack adjustable floor joist supports adjustable house leveling jack 24 inch house jacks for leveling 11-17 house leveling jacks crawlspace hydraulic jack house leveling jack stands with jack mobile home 10000 pound jacks mobile home jack foundation support jack post heavy duty adjustable jack heavy duty floor leveling jacks heavy duty house leveling jacks heavy duty jack post