The BD 381423 is an Autoguard product that comes in a size of 22 X 1. This product is designed with the utmost safety and efficiency in mind. The Autoguard technology automatically shields the needle after the injection is complete, reducing the risk of needlestick injuries. This product is ideal for medical professionals who perform numerous injections daily and require a reliable, safe, and easy-to-use solution. Each case contains 200 units, ensuring you have ample supply for your medical needs.