This is a knob I made for a coworker's husband. The insert is the position indicator. The original knob came off a Dacor ECC-36A. OEM part # is 82936, 82903, and 83904. The different part numbers are just for different colors, this part will fit for a replacement of all those part numbers, just print in the colors you want!If your cook of the house isn't much of a "cook"....you can use this knob https://www.youmagine.com/designs/knob-bio-hazard hahaNeed this item but don't have a printer? Try this https://www.3dhubs.com/dallas/hubs/dfw-maker-depot/3dprint