Reddit reviews 7mm X .5 Round Adjustable Die 1" Outside Diameter - High Speed Steel
We found 1 Reddit comments about 7mm X .5 Round Adjustable Die 1" Outside Diameter - High Speed Steel. Here are the top ones, ranked by their Reddit score.
Thread Diameter: 7mmMM Pitch: .5Outside Diameter: 1"
You can always modify it
http://www.amazon.com/gp/aw/d/B0007CNIS2/ref=redir_mdp_mobile?m=A1E8TEI9CXEX51&qid=1249344328&ref_=sr_1_1&s=hi&sr=1-1&tag=e04ed-20
That's for 510 atomizer connections to the battery.