Number 12 Necklace, the number 12 has double meaning; 1 for 12 year old Bat Mitzvah age and 12 for the tribes of Israel. 1" x 1", chain is 17" with 3" extension. Framed in all pewter casing and filled by hand with the finest materials as silver and baked enamel. The chain is rhodium plated on brass. Available in 3 colors, see the options below.