331 Test Tube "PSAW" Round or Flat Bottom with rim or without rim, plain 331/01 Approx. Capacity 3 ml., O.D. x Length 10 x 75 mm. 331/02 Approx. Capacity 5 ml., O.D. x Length 12 x 75 mm. 331/03 Approx. Capacity 8 ml., O.D. x Length 12 x 100 mm. 331/04 Approx. Capacity 10 ml., O.D. x Length 15 x 125 mm. 331/05 Approx. Capacity 12 ml., O.D. x Length 15 x 150 mm. 331/06 Approx. Capacity 25 ml., O.D. x Length 18 x 150 mm. 331/07 Approx. Capacity 50 ml., O.D. x Length 25 x 150 mm. 331/08 Approx. Capacity 75 ml., O.D. x Length 25 x 200 mm.