Set of four vintage steel castors with black rubber wheels, marked "Flexello British Made." With housing that the castors need to be hammered into once they have been screwed into furniture legs. The housings are 5 cm long, 2 cm diameter at the wide end. The wheels are approx. 4.7 cm diameter, the metal part is 9.5 cm long with 5.2 cm long bar. They have been in storage for a very long time in cardboard boxes, that has caused some to have rust and tarnishing to the metal. New old stock that has not been used. See all 7 photos for details please.