Rapid ECH0354C Measuring Cylinder with a 50ml capacity made of premium quality polypropylene plastic. Class B tolerance. Calibrated to contain. Translucent rigid construction and superior optical clarity. Easy to read, raised graduation lines every 1ml, and marked every 10ml. Octagonal base for extra stability, and a spout for easy pouring. Microwavable and resistant to fatigue for long term durability. High heat tolerance with a temperature range of -20 to +135°C. Good to excellent chemical resistance. Autoclavable at 121°C for easy cleaning and sterilization. Cylinder stands 8" tall, with a base measuring 2.5" wide. Outer diameter of cylinder body measures 1.1", and inner diameter measures 0.9".