Could not find these hooks anywhere, & as the old ones were getting fewer I did consider replacing the rails as the hooks & sliders were not available, but these were the perfect match for my aging shower. very fast delivery, well packed. & saved me a lot of expense & time by not having to renew the setup.
Bought them for my daughters student flat where she had some nice eyelet curtains but only an old fashioned curtain track with disgusting ancient curtains. I bought them to convert the track into something we could use eyelets for. Worked a charm! If you want to use this solution for your house you will need to make a little