[amayausers] Needle Clarification

I realize that needles can make all the difference in the sewout...
I have a few different charts...
only thing is, I don;t fully understand the needle packaging info...
Can someone please help with the translation
Organ needles:
DB x K5   (ballpoint, light ballpoint, sharp  ?)

if no designation provided after...80/12  75/11   what is it?

75/11 BPCS  (what does cs stand for?)
Groz-Beckert:

I have some 75/11 FFG/SES ...I know these are sharps What is ffg?
What constitutes a Light Ball Point?

Somewhat embarassed to seek clarification but need to sew 40 nylon windbreakers 
and want to use the best needle.

Your help is greatly appreciated!

Shannon
Embroidery Express
Olney  MD


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