299 Flasks Volumetric (Measuring) "PSAW" With interchangeable Glass stopper, accuracy as per Class "B" of I.S. 915 : 1975 299/01 Capacity 1 ml., Tolerance 0.02 ± ml., Stopper Size 10/15 299/02 Capacity 2 ml., Tolerance 0.03 ± ml., Stopper Size 10/15 299/03 Capacity 5 ml., Tolerance 0.05 ± ml., Stopper Size 10/15 299/04 Capacity 10 ml., Tolerance 0.05 ± ml., Stopper Size 10/15 299/05 Capacity 20 ml., Tolerance 0.08 ± ml., Stopper Size 10/15 299/06 Capacity 25 ml., Tolerance 0.08 ± ml., Stopper Size 10/15 299/07 Capacity 50 ml., Tolerance 0.12 ± ml., Stopper Size 10/15 299/08 Capacity 100 ml., Tolerance 0.20 ± ml., Stopper Size 14/15 299/09 Capacity 200 ml., Tolerance 0.30 ± ml., Stopper Size 14/15 299/10 Capacity 250 ml., Tolerance 0.30 ± ml., Stopper Size 14/15 299/11 Capacity 500 ml., Tolerance 0.50 ± ml., Stopper Size 19/20 299/12 Capacity 1000 ml., Tolerance 0.80 ± ml., Stopper Size 19/20 299/13 Capacity 2000 ml., Tolerance 1.20 ± ml., Stopper Size 24/25 ( 1 ml. And 2 ml. Flask are of Test Tube Shape)