Description 14K Two Tone Gold Approx. 060 Gauge (2.5mm Wide) Approx. 080 Gauge (3.5mm Wide) Approx. 100 Gauge (4.5mm Wide) Approx. 120 Gauge (5.0mm Wide) Approx. 150 Gauge (6.5mm Wide) Diamond Cut Hollow Lobster Lock Available in Yellow and White Gold