
The description mentions a ring diameter which I confused with the base diameter. I bought them to fit between the ribs of a truck bed. My ground clearance is 1- 1/2". They don't work for my intended application. I also noticed that there is a lot of play when the ring snaps onto the base. I assumed it would fit snugly and not be able to move from side to side on the base. This is the first such set I've gotten my hands on, so maybe my assumption was wrong. I'll probably hold onto them and maybe attach them to the inside of the bed rails.

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