The legacy EDC Clicky flashlights are were sold from 2008 to 2010 under the names of Ra Clicky, Ra Every Day Carry, HDS Clicky, EDC Executive, EDC Tactical, EDC High CRI, EDC IR, Ra Custom, HDS Custom and EDC Custom and have a serial number below 20,000. A distinuishing trait of these flashlights is that they all use a 60 degree V-thread profile with 24 threads per inch.