330 Test Tube "PSAW" Graduated with interchangeable Stopper 330/01 Size 100 x 12 mm. Capacity 5 ml., Sub-Div. 0.1 ml., Stopper Size B 10 330/02 Size 125 x 15 mm. Capacity 10 ml., Sub-Div. 0.1 ml., Stopper Size B 12 330/03 Size 150 x 18 mm. Capacity 20 ml., Sub-Div. 0.5 ml., Stopper Size B 14 330/04 Size 150 x 22 mm. Capacity 25 ml., Sub-Div. 0.5 ml., Stopper Size B 19 330/05 Size 200 x 25 mm. Capacity 50 ml., Sub-Div., 1.0 ml., Stopper Size B 19 330/06 Size 200 x 32 mm. Capacity 100 ml., Sub-Div., 2.0 ml.,Stopper Size B 24