GREAT QUALITY - The IV catheter needles have a standard-length loop bars to fit all piercing gun, piercing kit, piercing supplies. Needles are hollow, tri-bevelled and laser sharp. 
STANDARD CLEAN - Each IV catheter Needle is 100% cleaned. Professional and safe. ATTENTION: Do not attempt to reinsert a partially or completely withdrawn needle. 
WIDELY USE - Catheter needles fits for ear, nose, belly, lip, eyebrow, tongue, tragus, rook, labret, daith, nipple, prince albert. No bad reactions, for disposable use only.