Industrial Barbell Earring 14 Gauge Tree of Life Cartilage Earring Body Piercing Highest Quality Surgical Stainless Steel. Measurement: 14 Gauge Length: 38mm (1.5") Bar Length: 1 1/2" (38mm); Ball Dia.:5mm Color: Goldtone 14G Industrial Barbell Earring Goldtone Crystal Project Bar CZ Set Tree of Life 316L Surgical Steel Industrial Barbell.