Comparative User Experiences With BD Nano™ PRO 32G Extra Thin Wall Pen Needle vs the Terumo Nanopass® 34G Pen Needle

Inclusion Criteria: 1. Self-attesting Japanese American adults 18 to 75 years of age (inclusive). 2. Self-attest to Japanese descent. 3. Diagnosed with Type 1 or Type 2 diabetes. 4. Self-injecting using an injection pen for ≥3 months with any pen needle. 5. Injecting a minimum of ≥10 units of insulin and/or Victoza at least once per day. 6. Able to demonstrate proficiency using an injection pen into an injection model. 7. Able and willing to provide informed consent. 8. Able and willing to complete all study procedures. Exclusion Criteria: 1. Not self-injecting (for example injections completed by a family member). 2. Self-injecting with a pen injector for less than 3 months. 3. Unwilling to inject into abdomen. 4. Unwilling to have hair at the injection area reduced with an electric razor if it is determined the hair will interfere with leakage evaluation. 5. Failure to confirm which pen needle (gauge and needle length) subject is currently using. To confirm, subject may be asked to bring their pen and pen needles to the site or site staff may confirm via medical record or pharmacy. 6. Pregnant (self-attestation). 7. Currently taking anti-platelet or anticoagulant therapy (up to 162 mg per day of aspirin is permitted). 8. History of a bleeding disorder. 9. History of recurrent dermatological conditions or skin disorder (e.g., psoriasis, eczema). 10. Gross skin anomalies and abnormalities located at or very close to the injection sites that would significantly limit available injection space. 11. History of symptomatic low blood pressure or history of fainting (syncope) during hypodermic injections. 12. Use of any analgesic medications within 24 hours of first study injection, and during the study (up to 162 mg per day of aspirin is permitted). 13. A current or previous medical or physical condition that, in the opinion of the investigator, would place the patient at risk or make them unable to perform study procedures or has the potential to confound interpretation of the study results. 14. Currently participating in another pen needle study. 15. Employed by, or currently serving as a contractor or consultant to BD or any diabetes injectable medication, injection pen, or pen needle manufacturer.