MediVena ONE-CARE Pen Needles offer thin-wall technology for smooth flow, fast and virtually pain free injection. ONE-CARE Pen Needles are precisely grounded with three-bevel tip, electro-polished and coated with medical grade lubricant to minimize injection force and improve patients comfort. Ergonomic design with ribbed housing ensures comfortable grip for secure attachment onto the pen injector. Package includes: 100 non-toxic, pyrogen-free pen needles, 31 gauge, 3/16 Inches (5 mm), ETO-sterilized, protected with outer cover and easy peel-off tab.