HP 97 paper advance rollers

[Dave Britten]

Found a possible match with GreyUser's assistance:

https://www.amazon.com/gp/product/B082WJ21RP

They only come in a 100 pack, and it looks like they'll take a couple weeks to arrive. But if they work, I'd be happy to toss a few in an envelope and mail some if anybody needs to repair a TopCat or 82143A (I've only got postage and envelopes suitable for mailing within the US).