Abstract: Two wheel castor for furniture, comprising a vertical wall, a shaped seat extending through the wall perpendicular thereto and defining front tubular projections on either sides of the wall. A shaft is supported in the seat and has its opposed ends projecting outside of the seat on either side thereof. A pair of wheels is pivotally secured to the opposed ends of the seat and has tubular hub portions provided with outer collars facing the projections of the seat. A sleeve is formed in the wall in the plane thereof and perpendicular and offset with respect to the seat. A pivot pin is journaled in the sleeve and is adapted to be inserted in a vertical socket of the article wherein the wheel mechanism is installed.