PRIMA Scalp veins set with Luer Lock 23G adapter, 100 pieces

Scalp veins set (butterflies), with Luer Lock adapter, 23G, have a size of 0.6x19 mm. The box contains 100 pieces. They are used for blood collection.
Instructions for use:
The butterfly type collection needle with luer lock adapter is used with the disposable venous blood collection vacutainer, puncture the vein and attach the collection tube to the adapter, the blood will be sucked into the vacuum collection tube by negative pressure.