Product review (3 stars): I got lucky
These knobs are an excellent replacement for standard stove knobs. They are sturdy and I've used then for a month or so and have not noticed any issues. The reason I gave them a 3 star it the set I received was missing 3 of 4 rings of one of the sets of rings (the part that marks low to high) that are supposed to come with this set. Fortunately for me the set of rings that was complete was the set I needed for my stove. Overall the product is good but the quality control could be an issue.