BD's smallest, thinnest pen needle EasyflowTM technology for less effort to injection PentaPointTM comfort for a smoother, gentler injection experience Leads to low blood sugar EasyFlow™ Technology: BD Nano™ 4mm Pen Needles now with Extra Thin Wall Technology improves the insulin flow through the needle, making injections more convenient, including for people with hand-strength challenges PentaPoint™ Comfort: BD Nano™ 4mm Pen Needles are the first and only pen needles with patented 5-bevel technology The flatter, thinner needle tip eases into the skin with less force, clinically demonstrated to reduce the pain of injection Optimal Injection Technique: You can use a simple, one-handed injection for all injection sites: arms, thighs, abdomen and buttocks Compatibility: Compatible with all pen injectors for diabetes treatment