The Upwards Two Headed Arrow symbol (↟). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Arrows.
The quickest way is to copy ↟ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
↟ is U+219F (decimal 8607).
Use ↟ in HTML to render ↟ on a web page.
On Windows you can type it with Alt+8607 (hold Alt and enter the number on the numeric keypad).
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