Dadi e viti
You can never have enough spare parts. The Pearl KB-610 key bolt can be used in your hi-hat clutch or on you pedals.
With these Gibraltar lug locks you won't have to worry about your drums detuning any more, simply fit these on your tension rods, and they lock them in place.
With this Pearl M-8W-2 set of two wing nuts, you can mount your cymbals on a stand.
Tiny nuts and bolts tend to get lost, so Pearl offers a set of two ergonomically shaped replacement Pearl UGB-610 UltraGrip wing bolts.