yes, at my book (sia) they have detroit PLUS THE HALF -170. i believe it to be a typo, but my intentions when i went to make my puck play was to take detroit minus the half and lay the 160/170. it's the only place i can play, so should i feel bad about their mistake??
my play
wings +1/2 -340/540
my play
wings +1/2 -340/540