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 (6.9 bar).