Do not attempt to reinsert a partially or completely withdrawn hollow needle.The needle at the tip of the catheter is easy to operate and strictly controlled before sending out. Super sharp, Professional quality piercing needle and easy to operate.Pre-cleaned and Individual package to ensure 100% clean and safe piercings. Step 1 Choose catheter needle according to thickness of the jewelry Step 2 Withdraw catheter needle Leave catheter in the Punclure hole Step 3 Insert the jewelry into catheter Step 4 Screw on the steel ball puncture is completed Judero IV Catheter Needles? 14g (Red) Gauge: 2.0MM16g (Grey) Gauge: 1.6MM18G (Green) Gauge: 1.2MM20G (Pink) Gauge: 1.0MM22G (Blue) Gauge: 0.8MM Judero IV Catheter Needles? Condition: 100% New Catheter Piercing NeedlesMaterial: 316L Super Stainless SteelColor: Red(14g)/ Grey(16g)/ Green(18G)/ Pink(20G)/ Blue(22G)Package Include: 50PCS Catheter Needles Suitable for piercing ear, lip, eyebrow, navel, tongue, nose, cartilage and other piercing need High Quality needle catheter with a small tube, removed to facilitate the process of needle punture Allows jewelry add a curved catheter punture site, cleverly designed and high-end packaging Judero Piercing Needles Catheter needles set includes 50pcs of mixed piercing needles10 per sizes ear nose piercing needles: 14G, 16G, 18G, 20G, 22GWidely fits for ear, nose, belly, lip, eyebrow, tongue, tragus, labret and so on Each catheter piercing needle is made of 316L high-quality stainless steel, no bad reactions. Each needles individual pack and needle has a good protectionComes with a standard length ring bar that fits all piercing kits, and piercing supplies