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Yours is a spike. The pic showing the angle is also a spike, but if the tip protrudes out past the end but is squarish otherwise, it's a spike...

Some people use the term spike and square...

I agree with your definition, but if you notice that razor does stick out past the end. A square point is approximately 90 degrees and the spike sticks out a little bit past the end, as I understand...

Looks like a Spike to me.