Key Information: ‣ Size: 5mm ‣ Uses: BD Microfine Plus Pen Needles ensure precise insulin injection with minimal discomfort, used with insulin pens ‣ Directions: Attach the needle to the insulin pen, inject the prescribed insulin dose, and dispose of after use ‣ Warnings & Precautions: For single use only. Dispose of needles safely in a sharps container. Keep out of reach of children