The Graduated Cylinders Glass Borosil are an essential tool for any laboratory or science classroom. Made with borosilicate glass and a plastic hex base with bumper guard, these cylinders are durable and resistant to thermal shock and chemical corrosion. They come in Class B with volume capacities of 25ml, 50ml, 100ml, and 250ml, catering to a variety of measurement needs. The clear, precise graduations allow for accurate measurements of liquid volumes, and the hex base provides stability on any flat surface. Whether for chemistry experiments or laboratory work, these Graduated Cylinders Glass Borosil are a reliable and accurate tool for scientific measurements.