Took this from the Fastec Company page where they have the recall letter:
NHTSA Recall # 13E0392
If your key is stamped with one of the following key codes,
you have an affected lock: HF-304, HF-307, HF-308,HF-309, HF-311, HF-313, HF-315, HF-316, HF-320, HF-322, HF-323, HF-328, HF-331...