The circle of Solomon has the divine names written around it from AHIH to Levanah. This circle was made to protect Solomon from the malice of the Evil Spirits. Approx. 1½" diameter. Comes with chain.

Talismans are active objects designed to give specific power, protection and encouragement to those that wear or own them.
Amulets are intended for general purposes and usually provide reactive protection from danger, illness and ill-fortune.
Lucky charms are intended to attract good luck and good fortune to whoever owns them.