Listed used but most appear unused and some are new. The VTG Pyrex No 1000 & 1003 Glass Laboratory Beakers are essential tools for scientific research and experimentation in laboratories. Many other uses art storage etc. Made of high-quality borosilicate glass, these beakers are durable and resistant to heat, making them ideal for precise measurements and mixing of liquids. The set includes beakers with volumes of 600mL, 400mL, 250mL, and 150mL, catering to various experimental and other needs and providing accurate measurement possibilities for researchers and professionals in the healthcare and lab supply industry. Also have others listed in single sizes.