Designed for the low volume user, this Corning Pyrex graduated cylinder convenience pack contains one each of five Pyrex graduated cylinder sizes: 10mL, 25mL, 50mL, 100mL, and 250mL. These graduated cylinders are single-metric calibrated "To deliver" (TD) and have white enamel graduations. Each is packaged in a partitioned carton for safe transit and storage. Not sterile. Borosilicate Glass Code 7740. Pourout top (10mL has funnel top with pour spout). No stopper. Supplied with plastic bumper guards to reduce accidental breakage (for replacement bumper guards see Cat. No. 3066). Corning #: 3024-PACK.