Product Code:
Specifications:
Size/Strength: 21G Multi-Sample Needles for venous blood collection.<br> Black = 22G = 0.7mm outer diameter<br> Green = 21G = 0.8mm outer diameter<br> Yellow = 20G = 0.9mm outer diameter
The needle shields and hubs are colour coded according to the international colour coding recommendations for needle gauges.
Colour coding facilitates identification of the different needle sizes.
