Code point
U+258C
Glyph appearance depends on your fonts.
U+258C
SoU+258C LEFT HALF BLOCK is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Block Elements block.
Choose the representation you need, then copy its value.
U+258C
9612
▌
▌
E2 96 8C
258C
0000258C
%E2%96%8C
\u258C
\u258C
\u258C
\258C