Dear friend ,we have our own piercing factory ,so we can give you best quality and cheaper price. Please contact us if you want some discount!100% Brand New And High QualityMaterial: plastic + stainless steelSize: 5.8*1.1*2.3cm Earring needle thickness 0.8mm Earring head diameter 4mmSteps for usage:1. Wipe the earrings and earlobes with alcohol cotton2. Use a beauty marker to mark the position where you want to make a hole3. Hold the ear piercer and press down firmly and firmly4. The gun body will automatically fall off the ear studs and wear them on the ears automaticallyNote: You must be fast, accurate and ruthless when pressing! Once you press it to the end, don't release it halfway down, the ear piercers will spread out, and it may not be deep enough.