Code point
U+21FE
Glyph appearance depends on your fonts.
U+21FE
SmU+21FE RIGHTWARDS OPEN-HEADED ARROW is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Arrows block.
Choose the representation you need, then copy its value.
U+21FE
8702
⇾
⇾
⇾
E2 87 BE
21FE
000021FE
%E2%87%BE
\u21FE
\u21FE
\u21FE
\21FE