Joybeauti Unisex Stainless Steel Fake Gauges Kit Acrylic Fake Cheaters Plugs Barbell Earring Expander Acrylic Material & Hypoallergenic Stainless Steel Earings Pin Size: 8mm; Pin Thickness: 1.2mm (16 Gauge) 9 Color. White, Black, Light Blue, Light Yellow, Light Green, Orange, Pink, Red, Purple Screw Back Pack of 18 Pcs (Each Color for 2 Pcs)