In a message dated 3/20/2008 3:34:02 P.M. Eastern Daylight Time, rich-mail at octoxol.com writes: It is most likely an after market tool. Even in the good old days, just like today, suppliers bring tools to market to satisfy a need. I seriously doubt that it was a tool manufactured by Columbia. Making bits and pieces for phonographs was just too lucrative for a tool manufacturer to pass up ------------------ I recall one used for Bettini reproducers. (and remanufactured in modern times). Allen _www.phonobooks.com_ (http://www.phonobooks.com) **************Create a Home Theater Like the Pros. Watch the video on AOL Home. (http://home.aol.com/diy/home-improvement-eric-stromer?video=15?ncid=aolhom00030000000001)