How about disposable plastic injection medical test tube mould

The phrase "32 cavities 12*100 disposable plastic injection medical test tube mould" refers to a mould used in the plastic injection moulding process to produce 32 disposable medical test tubes, each measuring 12mm in diameter and 100mm in length. The mould is likely made from a durable material such as steel or aluminum and is designed to withstand the high temperature and pressure involved in the injection moulding process. The end product, the medical test tubes, are typically used for collection and transportation of liquid or biological samples for medical testing.