Mylife Pen-Fine Needles 4MM 32g Online Price | Equipped with EasyFlow technology, the pen needles are among the smallest and thinnest of their kind. The Mylife Pen-Fine Needles is extremely comfortable, easy to use and helps increase insulin flow through the needle. Compared to the three-bevel needle, the pen needle features a patented Mylife Pen-Fine Comfort five-bevel needle that enables the pen needle to penetrate the skin easier and facilitates a softer, gentler injection by providing a flatter, thinner surface, thus helps patients receive their full dose of insulin. The pen needles come in 5-mm and 8-mm sizes.