This set comes with 3" size. Most of the upper case letters in this set will NOT work with a 4x4 hoop - they're too wide.
The set comes with upper and lower case letters and numbers 0-9.
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.