【Earring piercing kit incloud】 2pcs preloaded stud ear piercing guns + 4pcs flat back studs with CZ + 2pcs clear studs + 4pcs clearing pads, totally 12pcs painless at-home piercing with complete kit‌. 【Size】 Standard Gauge 20G(0.8mm Thickness), studs length 3/8"(10mm) & 7/16"(11mm) , flat back studs length 1/4"= 6mm. Standard Size is good for first-time piercing users. 【Material】 316L Surgical Steel Earrings, Hypoallergenic Flat Back Studs, nickel-free, no fading and non-corrosive, perfect for sensitive skin, comfortable for long time wear. 【Painless At-Home By Self】 The earrings kit Includes 2pcs preloaded stud ear piercing gun, studs of different shapes, and accessories for simple use, DIY ear piercing without professional help. 【Use】 These Piercing Kit use simple operation with per-marked placement guides, suitable for Women Men to create earlobe piercings, helix piercings, or cartilage piercings. AVYRING Ear Piercing Gun Kit - 2 Pcs Silver Self Ear Piercing Kit with Earring Stud Hypoallergenic Steel Tools at Home 20g Flat Back Earrings with CZ