18k Gold Filled Fancy 10mm Greek Blue Eyes, Link Style, Bracelet or Necklace, Protection & Lucky, for Wholesale Jewelry Making Supplies. When a person wears or carries an evil eye with them, it guards against misfortune happening in one's life. The evil eye brings good luck and protects you from any ill-will that could otherwise have a negative effect on your well-being or your life in general. - Necklace Size: Chain Thickness: 3mm | Greek Eyes: 10mm Length: 15 inches to 17.5 inches, with 2.5 inches Extender. - Bracelet Size: Chain Thickness: 3mm | Greek Eyes: 10mm Length: 6.5 inches to 8.5 inches, with 2.5 inches Extender.