Park headset wrench for the adjustable nut.
Check and see if you have a crescent that opens large enough to use on the locknut. If not, get one, or get a second headset wrench of the appropriate size.
Rock 2 wrenches
like this.
If you haven't already, then in order to ensure you order the right size wrench(es), it's probably best to measure the exact sizes of the wrench flats with a caliper (which is a useful tool for bikes anyway).