Unifine Pentips Standard Insulin Pen Needle 31 Gauge 8 mm Length NonSafety - 30 Count BoxStandard Insulin Pen Needle Unifine Pentips 31 Gauge 8 mm Length NonSafety Unifine Pentips deliver improved comfort during the injection with precision sharpened needle tips designed to reduce penetration force. Thin wall technology improves drug flow, requiring less thumb force and time to deliver the dose, reducing the risk of thumb arthritis. Anti coring treatment at the rear of the needle creates clean piercing of the drug cartridge with no