Hi Elizabeth,
Thank you for reaching out with your question. Unfortunately, I'm not familiar with anything 5/2 from DMC. I would send this webpage to your friend to see if it is the correct thing. After a quick Google search, I also found a 5/2 Pearl cotton yarn from Yarn Barn. In case it is helpful you can view it here. My guess is that she means size 5 pearl cotton if she is referring specifically to DMC, but it would be best to check with her. Thanks again for your comment. Feel free to let us know if there is anything else we can do for you and have a great day.
Leah W.
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Elizabeth M.
I need DMC embroidery floss , 5/2 Perle cotton in several different colors … the 5/2 is throwing me off , I see where there is size 5 .. please advise , it’s order for someone else and I am not familiar at all with embroidery floss .