What is this tool thread?

Miller 4702-6 is part of Miller tool 4702.
Installer/remover
Use this set with C-4212-L press to service trailing arm front bushings on domestic four wheel drive vehicles. 1980 thru current.

Miller MD-998773 Knock Sensor Wrench
Use this special socket wrench to remove and install the Anti- Knock sensor on 3.0L Stealth engines. New for 1991.

Miller 6342 Seal Installer
This tool is used to install the front crankshaft seal in 2.2L and 2.5L engines. ( Used with 6343) 1989 thru current.