A classic you’ll reach for again and again. The bezel-set design creates a clean, minimal look with a smooth edge that helps prevent snagging. This listing is for a single ASTM F136 implant grade titanium push-pin flat back stud. MEASUREMENTS: Post Gauge: 18G (1mm) also fits most 16-20G threadless labret posts Post Length: 1/4 inch (6mm), with a 4mm disc on back Front Design: approx. 3.8 x 3.8 mm Please see listing photos to get a sense of the size of the stud on-ear. We also recommend that you check your own ear measurement before ordering. MATERIALS: ASTM-F136 Titanium 18K PVD Gold Plating Cubic Zirconia CARE: Water and tarnish proof with proper care. If exposed to salt water, chlorine, or lotions/perfumes, rinse off with cool-warm water and gently dry. When not wearing, store in a dry, cool place. Do not pull, twist, or tug on your jewelry.