Fantastically useful handmade glass pearl necklace extender with 6mm Sterling silver ball clasp. The tongue measures 5mm x 2mm. Have you seen a pearl necklace with a ball clasp that you like, but it's too short? Then this is the solution! This necklace extender is made from high quality glass cream or white pearls - the choice is yours. Please choose colour and length from the drop down menu. PLEASE NOTE: Length stated is from last pearl to the ball, but doesn't include the hook which will be inside your existing ball.