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4mm Pen Needles have been designed so that they are a universal fit for all insulin and GLP-1 pen delivery devices including Novo Nordisk, AstraZeneca, Sanofi and Eli Lilly’s Mounjaro pen.

Pen needles such as these are used with the medication pens to inject the treatment into the subcutaneous tissue. They are designed to be ultra-thin and ultra-sharp to minimise pain and discomfort during injection.