Sterling Silver Perfect to attach beads or pearls Simple, elegant design Sold in a pack of 20 These Sterling Silver ear hook wires with 4.0mm cups are an easy to use, simple but effective earring finding, keeping the focus firmly on your earring designs. These ear wires are a traditional and elegant option for beaders and jewellery makers. They have a wire diameter of approximately 0.80mm. Sold in packs of 20.