i never noticed to be honest. it was sealed for sure but did not bother to check.
pretty sure they sealed it and its resistant to being heated or pulled. these guys
make one hell of a driver KPX, tp07 i think gimmick or not nitro/non nitro its still
one heck of a head. this is my crazy 435:) some just work.
@HUTCH as for the weights, could choose draw, slight draw, fade etc etc i chose
neutral weighting. makes it simpler