What is this tool thread?

Miller c-4046 - Steering column shift tube installer used on 67-69 tilt, tilt and telescoping steering column.

Miller MD998915A - Support
This special support is used in conjunction with MD - 998918 kickdown servo wrench to ensure proper adjustment on all Stealth vehicles equipped with Automatic transaxles. Also used on Colt/Summit wagons.
New for1991, 1992 for Colt/summit wagon.

Miller L - 4436
Differential bearing drag torque measurement tool.
Use with standard torque wrench.
Used on all Chrysler built front wheel drive vehicles.

From tool price list.
C - 4046 $16.75
MD998915A $6.20
L - 4436 $17.20