In the September issue of Machine Shop Guide (Vol. 4 Issue 8) on page 85 there is an advertisement for the Fowler probes. The CMM probes are series no. 54-770. You can receive more information on them by calling 1-800-788-2353 or by contacting them at:
Fred V. Fowler Co., Inc.
66 Rowe Street
Newton, MA 02466
1-800-788-2353
1-617-332-7004
1-617-332-4137 (FAX)
or on the internet at:
www.fvfowler.com
Hope this is of some help, and good luck.

Josh Farmer
Engineering Technician/ Inspector
Whirlpool Corporation/ Specialty Products Division
Greenville, Ohio