1.Blood Collection Needle 2.CE, ISO Certificate 3.EO Sterilized 4.Professional Manufacturer Blood Collection Needle, used together with Vacuum Blood Collectin Tube for blood test.Specification:26G, 25G, 24G, 23G, 22G, 21G, 20G.Sharp&Smooth, less pain to patient.CE, ISO 13485, EO Sterilized. Blood Collection Needle