Product review (5 stars): All I had to do was draw a line on it with a sharpie that easily identified where it was on the heat setting so ...
Did the job for my wife's old cooker that had no replacement knob available from the manufacturer. All I had to do was draw a line on it with a sharpie that easily identified where it was on the heat setting so there would be no confusion. This knob saved me 100 dollars for a new cooker.