Analog calipers, spare fin, various nuts, bolts and washers (enough to replace anything I might lose or someone else might reasonably need, two sets of wing angle gages and a couple extra three d printed gauges in small angle sizes, a collection of different wings, + and - screw drivers, short and long shaft 5/32 Allen wrenches, pliers, tape measure, centering ruler, $20 (with a story), box cutter, double sided tape and small rubber hammer.