Abstract: An adjustable and removable vice assembly for use on a vehicle comprising an elongated receiving member fixedly mountable on a rear end portion of a vehicle in generally parallel alignment with a longitudinal axis of the vehicle; an elongated support member receivable in the receiving member in rearwardly extending relationship therewith; and longitudinally slidably adjustable with respect thereto; a slide member which is vertically slidingly adjustable with respect to the elongated support member; a vice mounted on the slide member; and stabilizing and holding devices associated with the receiving member, the support member and the slide member for selectively stably holding the members in a selected fixed relationship.