31 g x 5 mm (3/16 inch). For personal use. Single use. Safetyclick technology. Universal Fit (Including but not limited to): AstraZeneca: Byetta 5 mcg, Byetta 10 mcg, SymlinPen 60, SimlinPen 120. Eli Lilly: HumaPen Luxura HD, KwikPen, Forteo. Novo Nordisk: NovoPen 5, NovoPen Echo, Novolog Mix 70/30 Flexpen, NovoLog/NovoRapid Flexpen, Levemir Flexpen, NovoLog Mix 70/30 FlexTouch, Novolog/NovoRapid FlexTouch, Levemir FlexTouch, Tresiba FlexTouch U-100, Tresiba FlexTouch U-200 Victoza. Owen Mumford: Autopen Classic 1-21, Autopen Classic 2-42 Sanofi: SoloStar Lantus, SoloStar apidra, SoloStar Insuman, SoloStar Toujeo. Not made with natural rubber latex. Sterile - single use. Quality guaranteed or your money back. unifinepentipsplus.com. For product questions or concerns, contact us at 1-877-846-9949. Product of England.