Brunswick ProAnvil Lanes are the hardest surface that they currently make. Which you don't get much help from the lanes, as in wood lanes you have track area to play that is usually wore down. HPL's are known for having strong backends due to the surface being softer...
Sometimes it is hard to match up while bowling on the ProAnvil lanes, even in league play due to the different styles of whom you bowl with that night..
Sometimes it is an advantage and or a disadvantage....