Accu-Fine pen needles are sterile, precision-engineered insulin pen needles designed for comfortable diabetes management. These 32G x 4mm needles feature ultra-thin walls and special coating for gentle insertion and optimal insulin flow. The needles are compatible with all standard insulin pens and come individually sealed for sterility. The 4mm length and 32G (0.23mm) thickness are designed to provide comfortable injection while ensuring proper insulin delivery to the subcutaneous tissue. For optimal results and safety, needles should be used only once and properly disposed of after each injection.