Small Form Variants is a Unicode block containing small punctuation characters for compatibility with the Chinese National Standard CNS 11643. Its block name in Unicode 1.0 was simply Small Variants.

Small Form Variants[1][2] (PDF)
0123456789ABCDEF
U+FE5x
U+FE6x
Notes 1.^ As of Unicode version 17.0 2.^ Grey areas indicate non-assigned code points