Borosil Relative Density, with Capillary Bore Interchangeable Teflon Stopper Bottle(1624)1624 Bottles, Relative Density, with Capillary Bore Interchangeable Teflon Stopper These bottles are mechanically strong and chemical resistant All sizes have a durable matt finished enamelled area for marking Comes with a Works Certificate Product code Capacity ml Capacity Tolerance +ml Max. Body Dia x Height mm Size of interchangeable stopper Quantity Per case 1624006 10 0. 3 29 x 48 10 15 5 1624009 25 0. 8 40 x 55 10 15 5 1624012 50 1. 0 50 x 65 10