If your diabetes care requires insulin injections, a pen device can simplify injections. Insulin pens are portable, convenient, and comfortable. At GoToMedSupply.com, we carry a variety of insulin pen needles, to make your injection experience more comfortable. Pen needles come in varying lengths, and are the smallest, thinnest needles on the market. With insulin pens and needles, you can more easily inject your insulin in a number of sites, including hard-to-reach locations.