1/2 - 28 Tap and Die Set by Merlintools<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>1/2" - 28 HSS right hand thread Tap and die set</li><li>Extra fine 28 Thread Per Inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41KISces-nL.jpg" noproxy>