The pole is planed and its cross section remains the same throughout the length of the pole.
The resistance of the external conditions are great because of the impregnation the heart.
Considered one of the most "hard" wood, because it is the entire log and has the heart in the center.*
In palisade pointed, the point is about 10-15cm.
* Because the heart of the pole is in the center, cracking along the pole. It is a completely normal reaction of wood, and in no way affects the strength and durability.