Based on the Kabbalah 72 Names, this open design Kabbalah Amulet includes the ALD letter combination for protection. The pendant is 925 Sterling Silver and is available on a Sterling Silver necklace or leather chord necklace. Dimensions: The Kabbalah necklace is unisex and standard length is 19". Kabbalah Amulets: The fundamental idea of practical Kabbalah is that letters and numbers created the universe. For that reason Kabbalistic Amulets mostly use ancient text and biblical letters and signs. They are the source of the strength of the amulet and are mostly made in Silver.