Personalise: Get the necklace engraved with two names of your choice. Lock & key necklace: Add a romantic touch to your jewellery collection with a lock and key love heart necklace. Design: Featuring a love heart pendant with a cut-out keyhole, plus a tiny key pendant. Colour: Silver tone. Chain: The pendant comes on an 18-20" extendable silver tone chain. Romantic jewellery: A wonderful way to show your love - a perfect gift for yourself or your partner! Personalised Lock & Key Necklace | Silver | Living Social