Amazon.com: SIMPLI Insulin Pen Needles for at-Home Insulin Injections, Compatible with Most Diabetes Pens and Injection Devices, Size: Micro 4mm (5/32”) x 32G, 90 Count : Health & Household
Shorter needles give 'better results' for the obese - The Diabetes Times
BD Ultra-Fine II™ U-100 Insulin Syringe with Needle, 31G x 8mm 1/2cc V
Eo Sterilized Fixed Needle OEM Blister/PE Bag/in Bulk Safety Diabetes Syringe - China Good Quality Insulin Syringe, U40 | Made-in-China.com