- 17" Long, Handmade 3-strand Navajo Bead Necklace * 3-strand (15", 16", 17" long) necklace & 5" extender * 15" long, 4mm & 8mm navajo bead necklace * 16" long, 4mm navajo bead necklace * 17" long, 4mm navajo bead necklace * 15 grams weight * Nickel, Lead & Chrome free