Vacuum Blood Collection Tube(Glass/PET): 1, Gel and clot activator tube, 2, Clot activator tube, 3, No additives tube, 4, EDTA tube, 5, Sodium/lithium heparin tube, 6, Sodium citrate tube, 7, ESR tube, 8, Glucose tube, Material: Glass and plastic. Specifications: 13mmX75mm, 13mmX100mm, 16mmX100mm. Blood draw: From 1ml to 10ml. email: helenwxw@sina.com