This is a dial indicator holder that is mounted in a lathe tool post. Fits a dial indicator with a .375" mounting stem.
Printer: MK3s, Filament: PETG, Slicer: Default settings for PETG
Hardware:
(1) 10-24 x .500" nylon screw
(2) 10-32 x .750" button head screws
The author marked this model as their own original creation.