3 ml syringes About this itemNo locking mechanism.Useful for any task where one fluid needs to be filled in multiple adaptors.Easy and quick needle change. (Simple insertion of needle into the syringe.Quick to fit.Most refillable cartridges are compatible with Luer Slip Tips.Cartridge priming, flushing/purgingThe needle is kept in place by friction. Oil/grease on the needle can loosen the connection of needle and tip.Under high pressure, the Luer joint can burst apart when used with syringe filter.Feature : Disposable