This set comes with 3 sizes:
Upper and lower case letters and numbers 0-9 are included. Some of the 3 1/2" upper case letters do not work with a 4x4 hoop.
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.