This necklace features our ingenious kinetic Chaser bead comprising of 30 ball bearings and inspired by the frictionless bearing assemblies found in the moving parts of bicycles, automobiles, turbines, and jet engines. This jewellery piece is ideal for gifting and due to the stainless steel material is great for everyday wear. Sizing Extra Small 17*cm approx. 16cm Small 19*cm approx. 18cm Medium 20*cm approx. 19cm Large 21*cm approx. 20cm Extra Large 22.5*cm approx. 21.5cm Bailey of Sheffield Chaser Stainless Steel Necklace