For those unfamiliar, Drum set tuning is the process of tensioning drumheads on a drum to produce a pleasing drum tone. Drummers tune the drums using a drum key, a small, square socket-wrench that fits over the tension rods. I stand by DW hardware and their keys are no exception. There is a very convienant key holder built into the base of the DW 5000 series pedals (my personal favorite) that comes in handy when your keychain is out of reach. If you are Neil Peart they do offer gold plated keys to match your gold plated hardware.
Musicians Friend: $6/2 pack