Answer:
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
I have fangs and enjoy piecing holes with a single bite.
I see what you see feel what you feel and hear what you hear. I know all of your moves before you make them. I even know the moves you didn't make.
I am an insect. Half of my name is another insect. I am similar to the name of a famous band. What am I?
If you can get this professional's attention you can get where you need to go for a price.