Product review (4 stars): Replacement Stove Knobs w Measurements
Got these knobs and they don't work on my old Crosley gas stove. It has posts that are round, 8mm (5/16) in diameter with a flat section slightly below center. The posts are split so there is some leeway to pinch them together or expand them horizontally through the round section.

So lets try to be useful here about this stove knob replacement kit. I find trying to plough through model numbers of stoves and knobs to be a time-consuming and not-useful thing so often, so Ill try to give the essentials:

The grey adaptor has a round hole 4.5mm (3/16) in diameter with a flat edge slightly below centre.
The green adaptor has a round hole 6mm (1/4) in diameter with a flat edge slightly below center.
The red adaptor has a round hole 7mm (9/32) in diameter with a flat edge slightly below center.
The blue adaptor has a round hole 6mm (1/4) in diameter with a flat edge at center.
The yellow knob has a round hole 6mm (1/4) in diameter with a flat edges top and bottom 4.5mm (5/32) apart.
All adaptors at 1cm (3/8) thick.

The face plates for the knobs come separately and stick on yourself with a pre-attached two-sided adhesive. It might take crazy glue to ensure they stick on flatly without warping. The stove knob plates have temperature markers starting on the upper right of center and ranging all the way around counterclockwise 1 through 6. There are two oven knob plates: one starting at the upper right of center at Broil and temperature decreasing counterclockwise right around; the other starts low, at 150 degrees and goes around counterclockwise to 500 then Broil.