Code point
U+33B3
Glyph appearance depends on your fonts.
U+33B3
So<square> 006D 0073U+33B3 SQUARE MS is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+33B3
13235
㎳
㎳
E3 8E B3
33B3
000033B3
%E3%8E%B3
\u33B3
\u33B3
\u33B3
\33B3