Good buy Grant , I have your eye pieces BIG! Brother !
the 31mm 2 inch , and its huge !
as big and heavy as the TV Nagler 31mm but about 2/3 the price , and mate if your 15mm is as good as mine it will be a world class 82 degree eyepiece .
My Axiom 31mm is big and heavy but it is almost indestinguisable to the 31mm Nagler out under dark skies up here in Darwin .
I like mine and hope you enjoy yours .
Brian.