How the Size of Pen Needles May Affect Diabetes Control - Verywell Health
https://www.verywellhealth.com/diabetes-and-pen-needles-1087295
WEBMar 6, 2024 · Needle Sizes. Insulin pen needles range from 4 mm to 12 mm in length and 29 to 32 gauge in diameter. The lower the number of millimeters, the shorter the needle, while the higher the gauge, the thinner the needle. On average, human skin is 1.6 mm to 2.1 mm thick, so a 4 mm needle will easily go through the skin layer.
DA: 20 PA: 77 MOZ Rank: 68