The Unicode character U+2001 is referred to as the "Em Quad", belonging to the General Punctuation block within the Unicode standard. An Em Quad is a whitespace character that is one em in width. In typography, an em is a typographic unit that is roughly equivalent to the width of the capital letter "M".

Copy EM QUAD

You can copy Em Quad here and use it wherever you like

Unicode 
HTML Entity 
LateX\qquad
CSS\u2001