This set comes with center & side letters in 3 sizes:
2 1/2" Satin Stitch Alphabet
3 1/2" Satin Stitch Alphabet
4 1/2" Satin Stitch Alphabet
The following formats are included in the download: PES, DST, EXP, HUS, JEF, VP3, VIP, and XXX.
Also includes .BX format that works with Embrilliance Essentials, AlphaTricks, and Designers Gallery EmbroideryWorks that will allow you to use the letters as a keyboard font.