Gizmo that holds things apart (6)
I believe the answer is:
spacer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gizmo that holds things apart</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for spacer that I've seen before include "Eg, a washer" , "One may prevent physical contact" , "One keeping apart" , "one creates gap" , "Something which separates" .)