Ol m needle 23g x 1 1 4 blue 0,6mm x 32mm is hypodermiske needles.Needles is sterilized with ethylene oxide past, the laws is in addition, latex-free, pyrogenfri and non-toxic.Transparent past, the laws color coded shoulder lining fast past, the laws sure control of flow past, the laws size.Needles with thin wall lining optimally flow.