These Sterling Silver Hook Wires have a simple design featuring a flattened wire and decorative coil, keeping the focus firmly on your earring designs. The bottom loop is open and inward facing allowing your designs to be easily added. To use simply twist the loop open with a pair of pliers and hook your earring design onto the wire, before closing the loop again. These sterling silver hook wires measure approximately 17 mm in length and have a wire thickness of 0.70 mm. The bottom loop measures approximately 3.60 mm in diameter.