The TE Series Premier dispensing tips consist of a Stainless steel cannula with a double Helix polypropylene hub, for secure syringe barrel attachment. This premier line of dispensing tips is burr-free, and has an electro-polished cannula for unobstructed and consistent material flow. In addition they are silicone and chloride-free. Maximum operating pressure is 100 psi (6.9bar).