Code point
U+2427
Glyph appearance depends on your fonts.
U+2427
SoU+2427 SYMBOL FOR DELETE SQUARE CHECKER BOARD FORM 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+2427
9255
␧
␧
E2 90 A7
2427
00002427
%E2%90%A7
\u2427
\u2427
\u2427
\2427