This is 13-key macropad based on the nav cluster of a 100% layout. This is only available as a break-away item if you get a HatchbackTKL keyboard.
Make example for this keyboard (after setting up your build environment):
make clawsome/luggage_rack:default
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.