How to easily repair a leaking faucet sink tap (1/4 turn) ceramic valve. If you don't have a 3D printer, you should be able to pick up a nylon washer somewhere. If not. comment and I can print one for you and post it gratis. Just buy me a coffee. https://www.buymeacoffee.com/robatkinson
Sorry about the focus. I have an Akaso camera and it dosen't have a very good macro aspect to the focus.
Free printable washer. You may need to design your own, as some collars have a different width, or diameter shaft. https://www.thingiverse.com/thing:6529