Amazon.com: BH Supplies Insulin Pen Needles 31 Gauge - 1/4", 6mm (Pack of 125) : Health & Household
Various New Arrival Comfortable Disposable 32g Insulin Pen Needle - China Blood Collection Needle, Needle for Diabetes | Made-in-China.com
31G x 8mm Pen Needles, Insulin, Ultra-Fine III™, 100/Box | McGuff Medical Products
Insulin Pen Needles (100 Count) – Myabetic
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
Advocate Pen Needles - 31G x 5mm 100/box (894046001745)
Evaluating the User Performance and Experience with a Re-Engineered 4 mm × 32G Pen Needle: A Randomized Trial with Similar Length/Gauge Needles | Diabetes Therapy