MedtFine 100-PC 32G x 4mm Insulin Pen NeedlesProduct description Compatible with most insulin pens Needle coated with silicone to minimize discomfort Triple sharpened ultra fine needle with thin wall technology that ensures better liquid flow EO sterilization, Non toxic and Non pyrogenic Insulin Pen Needle compatible with Auto Pen, BD Pen, Flexpen, Novopem Novolet Innolet, Humapen Ergo Humapen Luxura Humapen Memoir, KwikPen, Solostar, SYmlinPen, Berlipen, Omnican Pen, OptiClick, OptiPen OptiSet.