Dental needle is composed of upper and lower protective cap, needle and needle hub. The cannula is precisely processed and siliconized to reduce pain and skin trauma for patients. The needle hubs are color coded by gauge for easier identification. The dental needles are made of medical grade material and sterilized by Ethylence Oxide so that they're guaranteed to be sterile, and free of pyrogen. The gauge 25G,27G and 30G are for choice.