Bottom Guides

Hi from Scotland. I have 4 mirror doors on which the bottom guides have worn away, allowing the doors to swing in and out. I have found a picture of these items (attached) and wonder if you could supply them. I would need a total of eight, four left and four right. I don't think I would need the metalwork, the nylon/plastic parts alone would be fine if you can supply them by themselves, lighter to ship! I can spring them over the studs, as I managed to get one off, although it broke as it's brittle with age! Many thanks, look forward to hearing from you. I can