Product review (5 stars): Great for my wok
I have a really strange shaped burner, it has a bunch of prongs and none are perpendicular so I didn't expect this to fit.  It does!  as long as two of the grids are across from each other, this will wrap around and keep your wok in place.  It looks like it came with my stove.  I had purchased a wok ring prior and it was lightweight and unattractive and elevated the wok way to high to get hot enough.  This was perfect.