BD Micro-Fine Plus Insulin Needles are high-quality, sterile needles designed for use with insulin pens. Each box contains 100 pieces of 1mL capacity needles that provide comfortable and precise insulin delivery for diabetes management. This is a medical device used for insulin injection. Each needle is individually sterile packaged for single use only. The needles feature BD's advanced technology for patient comfort and consistent insulin flow. Compatible with most insulin pen devices. As this is a medical product, it should only be used under proper medical supervision and guidance.