The size and thickness of your insulin pen needles may be affecting your diabetes control. Learn more about sizing issues.
Injector pen - Wikipedia
Silicone Coated Sterile Single-Use Intended to be used with a pen injection device for the subcutaneous injection of insulin Walgreens Pharmacist
5-Bevel Tip Pen Needles 32G/4mm
How the Size of Pen Needles May Affect Diabetes Control
Shorter needles give 'better results' for the obese - The Diabetes Times
Medical devices, smart drug delivery, wearables and technology for the treatment of Diabetes Mellitus - ScienceDirect
sitesmart Accu-Chek®
Sensors, Free Full-Text
Improvement of Insulin Injection Technique: Examination of Current Issues and Recommendations - Geralyn Spollett, Steven V. Edelman, Patricia Mehner, Claudia Walter, Alfred Penfornis, 2016
Easy Touch Insulin Pen Needles, 31G, 1/4-Inch/6mm, Box of 100 : Health & Household
Understanding Insulin Syringes Sizes