Body Candy Black Anodized Titanium Steel Red Heart Helix Earring Industrial Barbell Piercing 14 Gauge 37mm Gauge size 14 gauge; 1.6 millimeters 1.45 inch; 37 millimeter barbell length Black anodized titanium over 316L stainless steel straight barbell Features red non-moving centerpiece heart charm Barbell can be used for industrial, project bar, or helix earring