whether you are a beginner that is totally NEW to a sewing machine or the classic OLD hand...you can always learn more when it comes to sewing machine needles and their proper uses.
Here are two sites that I use as resources.

http://sewing.about.com/od/sewingmac...Sizes.--94.htm

http://www.schmetzneedles.com/Schmetz_Sales_Guide.pdf
I keep this chart on hand to give to people who want a reference guide. I also have the Schmetz pocket guide book.

Didn't know there were a difference between Universal 90/14 and green Schnetz 90/14. Thank you for this.

What great information. Thanks!

Great info.....thank you so much!!

great info, thanks

Good information. Very helpful. Thanks.

Thank you for the sites. Learned something :-)

Great info, Thank you!!

Thanks so much. What a valuable guide.

Thanks!