"The Sure Comfort Pen Needles are 29 gauge with a length of 1/2" (12.7mm). The needles are lubricated for your comfort, and are non-toxic, non-pyrogenic, and sterilized. These needles can be used with the following Type A devices: BD Pen, FlexPen, Humalo"
Allison Medical Inc. :: Needles / Syringes:Pen Needles
