Item Contain - septum clicker ring-2pcs; horseshoe helix ring-3pcs; captive bead ring-3pcs; Tragus earrings hoop, daith earrings, septum rings septum piercing jewelry with a velvet pouch;Measurements - Earrings Hoop & Septum Ring : 16 gauge (1.2mm), inner dia. 3/8"(10mm), specially the captive bead ring with CZ in the middle: 5/16"(8mm); The CZ and ball dia.: 3-4mm;USING - Used for both the septum ring clicker, 16g cartilage tragus earrings hoop, lip hoop, horseshoe daith helix piercing jewelry, Anti Tragus / Conch / Lobe piercing and Labret piercing.Material - Made of 316L surgical stainless steel and clear bioflex, grade alloy-smooth surface. durable, comfortable. Nickel and Lead Free, Hypoallergenic.Adorable 16g tragus earrings hoop, cartilage earrings hoop, daith piercing jewelry, and septum clicker with screw back. Cute and Dainty style. Best gift for Birthday, Christmas Day, Anniversary Day, Valentine's Day, Wedding and Vocation Party.