The Smiths Medical 4660P-1 is a comprehensive kit designed for arterial blood gas collection. The kit includes a 3mL syringe, a 23G x 1in needle, and 25IU of dry LiHep. It also comes with an alcohol prep pad for sterilization before the procedure and an ice bag for post-procedure care. One of the standout features of this kit is the Sure Lok needle protection system, which is designed to ensure the safety of the healthcare professional handling the collection. This kit is sterile and ready for use, and it comes in a case of 100, making it an efficient choice for busy healthcare settings.