Mini Screw Jack

The Ellis Mini Screw Jack is the premier low-profile solution for structural support in tight spaces. Engineered for maximum durability, these adjustable steel jack posts are perfect for foundation repair, crawl space reinforcement, and leveling sagging floors where standard jacks won't fit. With a safe load capacity of 15,000 lbs and a specialized Acme screw for precision adjustments, our mini jacks provide the permanent stability required for both residential and industrial applications. Whether you are a homeowner fixing a squeaky floor or a contractor handling heavy-duty lifting, the MJ-3 and MJ-6 offer the strength of a full-sized shore in a compact, reliable design. Specifications The Ellis Mini Jacks are offered in two sizes, with minimum heights of either 6.5" (MJ-3) or 9.5" (MJ-6) and 15,000 lbs. of safe load capacity.  Looking for a shorter option?  Check out the STEALTH-3, STEALTH-4, and STEALTH-5 Steel Shores. Demonstration Video Specifications Ellis Mini Jack 2