Exact Copies, within 1mm, of Viking Age keys in the Swedish National Museum. The original circular handle key with griping beasts is in the National Museum of Denmark. All keys are cast using the same formula of bronze as the original. The points on the key releasing the lock mechanisms when the key is turned is a newer type of lock than the earlier sliding key locks.
58 mm x 28 mm or 2 1/4" x 1 1/8"