Abstract: An antitheft device for attachment to a steering wheel of an automobile having an elongated body member having two parallel passageways extending along an axis therein, first hook secured to the body member for engagement with a portion of the steering wheel wherein the first hook engage the wheel from the inside with the body member extending outward beyond the periphery of the steering wheel, a first elongated rod member adapted to move in telescopic fashion in one of the passageways of the body member along the axis, second hook secured to the first rod member for engaging the inside portion of the steering wheel diametrically opposed to the first hook, a second elongated rod member adapted to move in telescopic fashion in a direction reverse to the first rod member, and a locking device associated with the body member engaging the rods within the passageways that allows the rod members to extend with respect to the body member and to be locked at any of a plurality of positions.