Yarlung 4 Pack Adjustable Support Jacks for Floor, Heavy Duty Screw Jacks House Jack Stand, Floor Joist Jacks Post 4" to 7" for Level and Lift Supports, Floor Straightener, Deck Foundation

Additional Details from the Manufacturer

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More features

• Yarlung 4 pack adjustable support jacks for floor, lifting height from 4.2" to 7.4", base plate 4" wide top plate 3.25", heavy duty screw jacks easily support heavy objects
• Our floor jacks provide perfect temporary support and lifting solution for weak floors, stairs, porches, decks, crawl spaces, roof trusses, or auxiliary support, versatile and useful in small spaces
• Easy to Use: Keep the base plate stationary and swivel the top plate to required height, and tighten the nut with a pipe wrench in order to secure the top plate, effectively prevent screw jack position changes
• The screw jack rotates smoothly, provides flexibility of varying height, allowing you to adjust the appropriate size to suit your specific needs, suitable for deck foundation, leveling work, RV step stabilizer, floor straightener
• The small screw jacks are made of sturdy steel and iron, strong strength, reliable stability and durability, with a coating to prevent corrosion, rust resistant, wear resistant, load capacity 4500 pounds