Code point
U+339A
Glyph appearance depends on your fonts.
U+339A
So<square> 006E 006DU+339A SQUARE NM 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+339A
13210
㎚
㎚
E3 8E 9A
339A
0000339A
%E3%8E%9A
\u339A
\u339A
\u339A
\339A