Code point
U+3385
Glyph appearance depends on your fonts.
U+3385
So<square> 004B 0042U+3385 SQUARE KB 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+3385
13189
㎅
㎅
E3 8E 85
3385
00003385
%E3%8E%85
\u3385
\u3385
\u3385
\3385