1:Place of Origin: China2:Material:heat resistant 3.3 borosilicate glass , heavy wall. Glass stopcock or PTFE stopcock.3:Size:Types: automatic Burette, Micro-Burette, Burette with PTFE stopper, Acid Burettewith stopper, alkaline Burette with stopper4:Capacity:1ml, 2ml, 3ml, 5ml, 10ml, 50ml, 25ml,...