Micro-burette-class A 1Types: automatic burette, Micro-burette, burette with PTFE stopper, Acid burettewith stopper, alkaline burette with stopper. 2:Place of Origin: China.3:Capacity(ml):10 25 50 1004:Usage:for scientific research, teaching, medicine, and petroleum chemical industries5: We can made all kinds of produces as your technical requirement.