Designed and manufactured in the USA to maintain strict quality standards, Shelby Trailer Jacks operate smoothly and easily manage your trailer load. Hot-dipped galvanized with marine-grade stainless steel hardware. The screw is cathodic e-coated, so there is nothing on this jack to rust meaning it will likely outlive the trailer. Great for saltwater applications. This 1500-lb. trailer jack safely reduces the physical effort required to reposition a loaded trailer and will support your trailer, hassle-free, for many years to come! The patented OSD swivel design allows easy installation and rotation. 10" travel. 8.25" top to bracket. 16.5" retracted. 27" extended.