Accu-Fine 5mm Sterile Pen Needles are precision-engineered insulin pen needles designed for comfortable and accurate insulin delivery. These 31G ultra-thin needles come in a box of 100 pieces and feature special coating for smooth insertion and compatibility with common insulin pens. Each needle is individually sterile sealed and features dual protective covers for safety and hygiene. The 5mm length is optimal for subcutaneous insulin delivery while minimizing risk of intramuscular injection. The 31G gauge (0.25mm) ensures minimal injection discomfort. For optimal results and safety, needles should be used only once and properly disposed of after each injection. Compatible with all standard insulin pen devices.