Metal cutter (7)
I believe the answer is:
hacksaw
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">metal cutter</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hacksaw that I've seen before include "Metal cutter" , "Toothed tool for cutting metal" , "metalworker may use?" , "cutting edge" , "Metal-cutting tool" .)