I found this
https://www.ebay.com/itm/22404596467...p2047675.l2557 And yes those would be for the Lockstitch #10 Willcox & Cibbs.
I'm having a hard time finding the dimensions for those particular needles. I'll keep looking.
Janey - Neat people never make the exciting discoveries I do.
Not affiliated with off-site link(s)