This 50ml conical flask is made from high-quality borosilicate glass, designed for durability and chemical resistance. It features 25ml graduation markings and a narrow neck for easy handling. The flask stands 3.3 inches tall with a 2-inch base diameter. The inner neck diameter is 18mm, and the outer diameter is 23mm. It is autoclavable and able to withstand high temperatures and thermal shocks, with heat tolerances including a strain point of -515°C, annealing point of 565°C, and softening point of 820°C. Ideal for professional lab use, classrooms, and home settings.