5.MORE CONVENIENT:18g piercing needles works like a traditional puncture needle,But put the plastic tube in the hole to facilitate the insertion of jewelry.Whether you are a professional puncture or amusement, a variety of models of puncture needles are absolutely handy for you 3.WIDELY USED:Piercing Needle Easy to Operate,Its suitable for piercing ear,lip,nipple,eyebrow,navel,tongue,nose and other body parts,316L stainless steel, no bad reactions 2.PACKING INCLUDING:Each 18g percinging needles include 5pcs 18G piercing needles IV catheter needles.IV catheters are individually packaged 1.HIGH QUALITY:Each catheter puncture needle is made of the highest quality 316L surgical stainless steel.Both the vacuum packaging and the needle are made of rubber to provide protection 4.EASY TO OPERATE:The iv needles with catheter 18g is easy to operate and must be strictly controlled before delivery.highgrade disposable professional puncture needle