Square Tube Ends leveling feet are a type of leveling foot that is used to level square tubes. They are typically made of plastic or metal and have a threaded shaft that can be turned to adjust the height of the foot. Square Tube Ends leveling feet are often used in applications where the surface on which the square tube is placed is not level. For example, Square Tube Ends leveling feet can be used to level a table leg that is placed on a uneven concrete floor.