U+21B9 LEFTWARDS ARROW TO BAR OVER RIGHTWARDS ARROW TO BAR

The Unicode character U+21B9, officially named LEFTWARDS ARROW TO BAR OVER RIGHTWARDS ARROW TO BAR, was introduced in Unicode version 1.1. It is part of the Arrows block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as LEFT ARROW TO BAR OVER RIGHT ARROW TO BAR.

Categorized technically as a Other Symbol, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.