Graduated pipettes, class AS, amber stain graduation. AR-glass®. EX (TD) calibrated. Main point ring graduation. With dated batch identification. Conformity certified. With durable amber stain graduation. Graduated to the tip, zero on top. Type 3, acc. to DIN 835. From 5 ml on with a cotton plug end as standard. For those products a Batch Calibration Report (free of charge on www.hirschmannlab.com/support+service/Tecnical support/calibration certificates), Single Calibration Report or DAkkS Certificate (former DKD Calibration Report) is available.