Xiufen 5pairs Gauge Stainless Steel Flower Skull Screw Barbells Ear Plug Stretching Kit 6G 4G 2G 0G 00G You will receive 5 pairs screw tunnel plug (different sizes). Materail: stainless steel Gauge: 6G(4mm), 4G(5mm), 2G(6mm), 0G(8mm), 00G(10mm) Weight: 25g