I reassembled the main spars in preparation for riveting. When I started placing rivets I discovered the rivets labeled 5-9 size were actually 5-7. I need the 5-9 rivets for the 2 spar caps & spar web holes. My options are to reorder or figure out a way to shorten some 5-12 rivets that I have a bunch of extras of. I asked the bearhawk group for advise and am trying some different ideas.