The hammer of the thunder god Thor in Norse mythology is used both as a devastating weapon and as a divine instrument to provide blessings. This necklace reminds the wearer of its signifigance. The Thor Hammer necklace is on a 24 inch stainless steel ball chain approved by the CDCR. California inmates are permitted to possess one (1) article of religious jewelry. Photos do not represent actual size. Colors may vary slightly.