Double Graduated Flint Glass Cylinder, White graduations, numbered both upward and downward, With pourout and heavy molded base, Graduation interval: 1 mL, Size: 100ml
Automatic burette, 50ml made of borosilicate glass which is self-zeroing. 0.1ml resolution with permanent blue markings against a white background for easy viewing. Stopcock is pushbutton style for ease of use to deliver fluids drop by drop.