SF Square Head Extended ver 1.0; 1999. Freeware for non-commercial use. 118 characters in total, assigned to the following Unicode blocks:
Unicode blocks Percent Total codes Total charaters
Basic Latin
74.22%

74.22%

128 95
Latin-1 Supplement
13.28%

13.28%

128 17
General Punctuation
5.36%

5.36%

112 6
Total:
32.07%

32.07%

368 118