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Essential Glassware set made of high quality, heavy duty, 3.3. Borosilicate glass. Includes three, narrow low form Beakers in 50ml, 100ml & 250ml capacities, three ASTM, Class-A Measuring Cylinders in 10ml, 50ml & 100ml capacities and three Erlenmeyer Flasks in 50ml, 100ml & 250ml capacities. Beakers and flasks feature white, printed graduations, and beaded rims. Cylinders feature blue printed graduations, hexagonal bases and removable, plastic protective collars for added stability. Uniform, thick walls provide excellent strength against breakage. Set is packaged in a custom fit, thick foam casing, for safe storage and worry free transport.