Code point
U+331C
Glyph appearance depends on your fonts.
U+331C
So<square> 30B1 30FC 30B9U+331C SQUARE KEESU 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+331C
13084
㌜
㌜
E3 8C 9C
331C
0000331C
%E3%8C%9C
\u331C
\u331C
\u331C
\331C