Abstract: An apparatus for aiding in the mounting of tire chains having a flat base and two upward projecting angle members positioned parallel is disclosed. The angle members have first and second apices respectively positioned relative to one another and the road surface such that an encroaching tire is first engaged across its width by a first apex. The tire is supported on both apices, sized and positioned such that a cross-link of a tire chain positioned therebeneath remains movable, so that a snug and uniform fit of a tire chain is achievable. The apparatus is also useful as a support base for a jack and as a wheel chock.