PiercingJ Unisex Pair 2 in 1 Stainless Steel Taper Piercing Ear Tunnel Stretcher Expander 8G 6G 4G 2G 0G 00G Gauge Black Can be used as a taper or a tunnel gauge. Gauge:4G(5mm) Taper length:25mm; Tunnel length:10mm Quantity: 1 pair