INDUSTRIAL QUALITY || 50ml graduated measuring cylinder made of high quality, heavy duty, Borosilicate 3.3 glassCLASS A TOLERANCE || Class A tolerance ±0.50ml, as per DIN EN ISO 4788 standardBLUE GRADUATIONS || Easy to read, blue printed graduations and specifications. 1ml Subdivisions. Calibrated to containROUND BASE || Cylinder features a round base for maximum stability and a spout for easy pouringGREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use Product Description Our mission is simple; to be TRUSTED by educators, researchers, and scientists throughout the world to design, manufacture, and DELIVER products that allow LEARNING and the development of scientific knowledge. For over 50 years, Eisco Scientific has been manufacturing and selling quality science equipment and supplies worldwide. Eisco Scientific is a multinational corporation, providing products to academic and industrial customers in over 100 countries. The Eisco Industrial division has been created to focus on the needs of industrial and academic research laboratories. Eisco products have been carefully designed by laboratory professionals along-side experienced engineers with quality and durability in mind. They are manufactured with only the highest grade raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments 50ml graduated measuring cylinder made of high quality, heavy duty Borosilicate 3.3 glass. Spout for easy pouring, and round base for extra stability. Class A tolerance, ±0.50ml as per DIN EN ISO 4788 standard. Blue printed graduations and specifications. 1ml subdivisions. Cylinder stands 7.5" tall, with a base measuring 2" wide. Inner diameter of cylinder body measures 22mm (0.8"), and outer diameter measures 27mm (1"). Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C. Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.