Retaining Ring Locator
Locate any size retaining ring or hose clamp by specifying size and thickness
http://www.rotorclip.com/downloads/RetainingRingLocatorV1.zip - 3Mb - Download - Screenshot

Retaining Ring Math Converter
A free conversion utility that will allow you to convert the most popular units of acceleration, angle, distance, temperature, volume
http://www.rotorclip.com/downloads/RC-Converter.zip - 44Kb - Download - Screenshot