Forums Members Recent Posts Forums Catamaran Sailing D... Technical Help Mast Step Notifications Clear all Mast Step Technical Help Last Post by Bob Taylor 17 years ago 1 Posts 1 Users 0 Reactions 4,063 Views RSS Bob Taylor (@wwkbob) Posts: 10 Lubber Topic starter The 4 rivets that attach the mast step casting to the forward crossbar on my HC18 are slightly loose, which allows the casting to wiggle a little bit. Should I replace the rivets and if so what size are they? Posted : December 27, 2007 6:33 pm Share: Share Tweet Share Share Share Share