Specification: Condition: 100% Brand New Sterile Technique: Ethylene Oxide Gas Sterilization Gun Material: PC Stud Material: 316L Surgical steel&Zircon Stone Thickness of the pin: 0.8mm Gem top size: 2mm Stud Color: Silver How to use: 1. The operator shall wash hands, wear disposable gloves if possible. 2. Use fingers to rub nose gently for 45seconds, to make the earlobes numb; then use antiseptic cloth(not included) to clean the earlobes. 3. Open the package, put the unit on the earlobe, with thumb on the end of the bolt. 4. Use thumb to push the bolt gently, to close the U shape gun body, adjust to locate the pinpoint. 5. The thumb increases strength on the bolt, until the wings on the bolt broken suddenly and push the stud through the nose suddenly. 6. Release the thumb to let the U shape gun body open, pull it away from the nose gently, using your fingers to hold the head of the stud may help. The stud will be left on the nose. Package included: 1pcs gun with 1pcs stud Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!