Blaylock Leveling JackThe EZ Jack is an easy-to-use, reliable device that functions as a jack for changing tires on dual-axle trailers. It also serves a wheel chock or a level. Keeping in mind the high quality and unique functional designs found in our coupler locks, we created a line of trailer accessories. Our most successful accessory in our line Whether being used as a full load jack (not pneumatic - no moving parts) or as a chock, this item will become an invaluable tool to change a tire.Features:Commercial And Consumer UseFor Dual Axle Trailers And TrucksRated To Accommodate Up To 20,000 PoundsSolid Construction - Will Not RustFunctional Design And The Highest Quality Aircraft Grade Aluminum Create Useful Long Lasting ProductsRecommended Use: To Level RV While Parked On Uneven Terrain/ For Changing Tires On Dual-Axle TrailersWeight Capacity: 20000 PoundsMaterial: Aluminum