It's about 6 months old. Will sharpen up to 3/4" bits. Recently was given a bench grinder with bit sharpening attachment. $60+shipping! Brian@jcroffroad.com

http://www.jcroffroad.com/misc/JcrGarageSale/5point0/DrillDoctor.jpg

More info on this:
http://www.drilldoctor.com/product.asp?specific=139

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