274 Pipettes Transfer Volumetric "PSAW " With one mark, accuracy as per Class "B" of I.S. 1117 : 1975 274/01 Capacity 1 ml. Tolerance 0.015 ± ml 274/02 Capacity 2 ml. Tolerance 0.020 ± ml 274/03 Capacity 3 ml. Tolerance 0.030 ± ml 274/04 Capacity 4 ml. Tolerance 0.030 ± ml 274/05 Capacity 5 ml. Tolerance 0.030 ± ml 274/06 Capacity 10 ml. Tolerance 0.040 ± ml 274/07 Capacity 15 ml. Tolerance 0.040 ± ml 274/08 Capacity 20 ml. Tolerance 0.060 ± ml 274/09 Capacity 25 ml. Tolerance 0.060 ± ml 274/10 Capacity 50 ml. Tolerance 0.100 ± ml 274/11 Capacity 100 ml. Tolerance 0.0160 ± ml