Posted Today, 08:30 AM
I don't know the "official" answer but my guess is that is serves as a rest for round objects, i.e. a shaft, so that it will stay in place and be square to the wheel.
Posted Today, 08:30 AM
I don't know the "official" answer but my guess is that is serves as a rest for round objects, i.e. a shaft, so that it will stay in place and be square to the wheel.
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