BodyJ4You 5 Pieces Heart Nose Screw Retainers 18 Gauge Clear Flexible Nose Retainers 18G (1.0mm) 5PC 5 Pieces Heart Nose Screw Retainers Flexible Bioplast Specifications: 18 Gauge (1.0mm), 5/16" (8mm) Use these clear bioplast retainers anytime you need to be inconspicuous.