A replacement for the Hakko FM-202 Soldering Station Control Card/Key. The control card allows you to adjust the iron temperature, display temperature units, etc.<div><br></div><div>More info at <a rel="nofollow" target="_blank" href="http://www.sparevolts.com/electronics-tools/hakko-fm-202-soldering-station-control-cardkey/">http://www.sparevolts.com/electronics-tools/hakko-fm-202-soldering-station-control-cardkey/</a></div>
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