The Smiths Medical 326210 is a ViaValve™ IV Safety Catheter, designed with safety and convenience in mind. This catheter is 16G x 1¼” in size and comes in a grey color, making it easy to identify and use. Each box contains 50 catheters, and each case comes with 4 boxes, providing a total of 200 catheters. This safety catheter is ideal for a variety of medical settings, offering a reliable solution for intravenous procedures.