Legs adjust individually so you can level unlevel ground. Step adjusts to four separate heights ranging from 7" to 8-1/2" in 1/2" increments. Durable, all-aluminum welded construction is laboratory tested to hold 1,000 lbs. Folds flat to 4". Lightweight for ease of mobility and storage. Unique silver vein powder-coated finish prevents rust. Anti-tip design prevents step from tipping during normal use. Includes rugged custom rubber leg tips and non-slip strips. 2 year warranty.