Frigg's key is associate with mastery, harmony and authority on the domestic home front.
Secretly, it is Frigg's Will in association with her ability as a Völva to "see and know" what is the proper next step. What is to be done or not done. What is to be said or not said.
This key brings with it Frigg's confidence.
The key is topped with the Wheel of Fortune concept representing the cyclical nature of fate, life, death, and rebirth,  embodied by the Norns weaving destiny at the base of Yggdrasil, the World tree..
 
2 and 3/4 inches by 1 and 1/8 inch. The  doubled chain is 29 " long