Hope you guys had an epic Xmas.
Can anyone advise in the 1600LOL foil set what are the 4 tapered steel washers seen below for?I figure they are only vaguely fitting the mast base plate bolt holes but a)can't see the point for that? b) they came with the wing not mast??!

Also in the mast bolt set below......should there be included shims for the stab? I have seen them in the set sold separately by Tacuma but maybe not for the 1600Lol or 980 sets (not required)??

Any info massively appreciated.
Did notice the wings will be 5cm more forward relative to the mast compared to Naish Jet so assuming I will need to slide the base plate to the back of the board rather than my usual middle setting to compensate.
Frothing to get in the water now thanks for all the info (and motivation thus far).
Cheers
Dave