Code point
U+258B
Glyph appearance depends on your fonts.
U+258B
SoU+258B LEFT FIVE EIGHTHS 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+258B
9611
▋
▋
E2 96 8B
258B
0000258B
%E2%96%8B
\u258B
\u258B
\u258B
\258B