Fashion H2O, Guitar Boys Rock, Silver Polished Enamel Charm Pendant 18 Inch Necklace 1 Inch Extender Lobster Claw Clasp. Give the perfect gift to any boy with this Cool Boys Rock Guitar Necklace. Guitar Boys Rock Necklace, is a Silver Polished Enamel Charm Necklace very Elegant and comes with silver chain. Charm is big and measures 1.25 inch, chain measures 18" With 1inch extender lobster claw clasp. A real conversation starter and will grab everyone's attention. Made from the highest quality products, non-toxic, nickel and lead free.