Code point
U+330C
Glyph appearance depends on your fonts.
U+330C
So<square> 30AB 30E9 30C3 30C8U+330C SQUARE KARATTO 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+330C
13068
㌌
㌌
E3 8C 8C
330C
0000330C
%E3%8C%8C
\u330C
\u330C
\u330C
\330C