This is not a commercial product; these are microchips more than 40 years old (new old stock) and only a few units will be sold, until sold out, as they are no longer available anywhere. Intended exclusively for hobby and collecting purposes without long-term guarantees.
set of (2) Fairchild PROM programmed for Apple1 replica with combo with WOZMON
Switching from Apple I ROM to WOZMON requires bending one leg!
Combined shipping with other items is available.