The material is good for impact as shown by our friend Maximus at the end of this video:
http://uk.youtube.com/watch?v=L8FDPi4eeC8
However it is crap under pressure aka over tightening of the feedneck
http://uk.youtube.com/watch?v=L8FDPi4eeC8
However it is crap under pressure aka over tightening of the feedneck