Lasnten 4 Pcs 4.5" X 4.5" Screw Jack Post 14.5" - 18.5" Height Range 24700 lbs Load Capacity Adjustable Temporary House Jacks for Leveling Flooring Basement Shore Beams Foundation Repair (Orange)

Features: Fit for 4.5x4.5 square lumber. Range of adjustment: 19" - 26". Top plate dimension: 4.5" x 4.5". Load capacity: up to 24700 lbs depending on the timber. The floor jacks provide perfect support for lifting the lumber, which is frequently applied in construction renovations and repairs. The jacks are also suitable for basement, stairwells, crawlspace, farm, wall and etc. Specifications: Material: metal Color: red Size: as pictures shown Package includes: 4 x Screw jack post 1 x Metal handle Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• 【24, 700 lbs Heavy-Duty Load Capacity Built for Demanding Jobs】Engineered from premium alloy steel with a durable anti-rust paint coating, each screw jack post supports up to 24, 700 lbs (11, 204 kg)—giving you the strength and reliability needed for basement beams, floor joists, and structural shoring. Corrosion-resistant finish ensures long-lasting performance in crawlspaces, damp basements, and outdoor worksites
• 【Fits Standard 4.5"x4.5" Lumber, 6-Hole Base Plate for Maximum Stability】The house jack for leveling is perfectly sized to fit nominal 4.5×4.5 inch lumber (actual 4"×4"). The 3.5"×6" base plate features 6 mounting holes (four 0.5" + two 0.3") for versatile, rock-solid anchoring on any surface. If using custom-sized posts, simply add shims around all four sides for a secure fit—no guesswork, no wobble
• 【14.5"–18.5" Adjustable Height, Stable Locking Mechanism】Simply rotate the included 11.8" metal handle to dial in your exact height—no extra tools needed. Unlike designs where the top plate spins with the shaft, this screw jack post is engineered for controlled, precise height adjustment that stays locked in place once set, giving you reliable support throughout your project
• 【Versatile Support for Basement, Crawlspace, Stairwells & More】Whether you're a DIY homeowner leveling sagging floors or a professional contractor handling trench shoring and collapse rescue, these screw lumber deliver consistent performance. Ideal for basements, stairwells, crawlspaces, farm structures, foundation repairs, wall support, and concrete formwork. A true all-in-one structural solution
• 【4-Pack Complete Kit – Ready to Install in Minutes】Package includes 4 house leveling jacks and 1 metal handle (11.8" length). Assembly is straightforward—insert your 4.5×4.5 lumber into the shore jack, secure with screws through the base plate mounting holes, then turn the lever to your desired height. No special equipment or professional experience required. Perfect for immediate use on residential and commercial projects alike