EasyTouch™ Standard Insulin Pen Needle 31 Gauge 8 mm Length NonSafety (701662_BX) 100/BXEach EasyTouch pen needle cap is color coded for easy and accurate identification; confusion is reduced significantly by allowing insulin injectors to quickly identify their correct gauge and needle length: This insulin pen needle is 31 gauge and has a yellow cap. Easy to read information on each side of the box Needles are made with surgical steel. Triple bevel cut for a sharper point. Thin wall cannulae for easier flow Electro polished to remove