Done with great precision (8)
I believe the answer is:
surgical
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">done with great precision</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for surgical that I've seen before include "Relating to operative procedures" , "For use in the theatre" , "Involving theatre work" , "Relating to operations" , "Ugli scar? (anag)" .)