RockHard Necklace – solid Bronze on Blackened 925 Sterling Silver BallChain 50 cm. Very unisex jewellery! RockHard Collection – a symbol of Friendship, Trust and Safety. Inspired by rock climbing, mountains and the outdoors.The piece measures about 20×15 mm (0.79×0.78 inches) Your RockHard Necklace comes on a 45 cm (17.7 inch) BallChain unless other requested in message as you order. Strong and sporty. Worn by many Friends! Climb on – on rock, ice, in life and work! This necklace gives back – as all my pieces do – to 1 % for the Planet! Good conscious shopping!