Silicon-free, high-grade design, all-metal machined. These disposable needles are EO-sterilized and individually packed. The needles are designed for the one-off use involving a single patient. Bent needles must not to be straightened but exchanged instead. The expiry date is printed on the package. Before opening, the package must be checked for any damage. Do not sterilize again. Please dispose of used needles properly.