Code point
U+2416
Glyph appearance depends on your fonts.
U+2416
SoU+2416 SYMBOL FOR SYNCHRONOUS IDLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Control Pictures block.
Choose the representation you need, then copy its value.
U+2416
9238
␖
␖
E2 90 96
2416
00002416
%E2%90%96
\u2416
\u2416
\u2416
\2416