I've looked for a long time for a electronic edge finder with a shank that's 3/8" or less. My machine uses ER-16 collets and so the standard 3/4" shank edge finders won't work for me. Not to mention all the ones I've ever seen are the Chinese made edge finders. I came across this on eBay and thought it might be of interest. I just ordered one and will post my findings here once I get it.

http://cgi.ebay.com/MINI-ELECTRONIC-...3A1%7C294%3A50

I also want to say I have absolutely no affiliation with this company or their products whatsoever!