Material:borosilicate 3.3 glass We specialize in laboratory glassware,main products:beaker,funnel,conical flask,boiling flask,burette,connection tube,test tube,gas washing bottle,separatory Funnel.etc. 1661 Micro Burette with side filling tube and wooden baseCapacity. (ml)Graduated interval (ml)Total Height (mm) 10.0160020.0165030.0170050.02700100.05700