PYREX® Double Scale Graduated Cylinders, Class A, TD
Corning PYREX® Class A graduated cylinders are double-metric calibrated 'To Deliver' (TD) in accordance with ASTM E-1272 and ASTM E-542. The double scale of these graduated cylinders is numbered both up and down in durable white enamel numbering. Graduated cylinders also include Cylinder a shock absorbing polyethylene bumper guard to prevent breakage.