To stabilize furniture or a base even when a pad made of a rubber of one leg is peeled off, or one leg cannot contact with the ground because of a recess of a floor in the furniture having legs or the base.

The legs are arranged in such a manner that a straight line connecting the grounding surfaces of every other leg on the outside may make contact with or be located on the outside of the contour of a plane which is obtained by vertically projecting a part above the leg to the floor surface.