BD 320122 Nano Ultra-Fine Nano Pen Needles 4mm x 32 Gauge are high-precision insulin pen needles thoughtfully designed to minimize pain upon injection to give diabetics an unparalleled level of comfort. With their state-of-the-art ultrafine 6-bevel Tip minimizes the puncture experience by streaming the insulin directly into the sweet spot and internal anti-coring feature results in temporary lessening hypoglycemic events related pain. These resistant nano-coated needles provide perfect dosage and easy streaming follow injections that produce large insulin deposition to decrease the accumulation of site wound. Being a reliable needles provider, you can trust for providing easy to handle malleability for those steps relating to connection and detachment of the pen needles starting from connection and detachment while injecting convenient doses.