A quick learner from Amsterdam,the Netherlands says:
January 8, 2023
I am looking for six Acme 4012x -2l. Do you have these?
Emily from SWISCO responded:
January 10, 2023
Thank you for reaching out to us! We don't sell this exact roller but our recommendation would be the 23-222C top roller guide. Take a look at the specifications and see what you think.