Class A mixing cylinders, DURAN®, blue graduated, subdivis. 0.5 ml, 25 mlClass A mixing cylinders, DURAN, blue graduated, subdivis. 0. 5 ml, 25 ml Material: DURAN glass. Acc. to DIN ISO 4788. Certificate of conformity with batch identification. Blue graduations. Calibrated to IN. With hexagonal base. With standard ground glass joint. Delivery incl. PE stoppers. Technical Information Vol. 25 ml Graduations 0. 5 ml Tolerance 0,25 ml Standard ground glass joint 14 23 Height 193 mm